Home / 1,184,710,853.20-1,777,066,279.80-572,490,821.20

Finding the Fourth Proportional to 1,184,710,853.20, 1,777,066,279.80 and 572,490,821.20

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Solution

The fourth proportional to 1,184,710,853.20, 1,777,066,279.80 and 572,490,821.20 is: 858,736,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,710,853.20 : 1,777,066,279.80 = 572,490,821.20 : x
  2. Step 2: Convert to fraction form
    1,184,710,853.20/1,777,066,279.80 = 572,490,821.20/x
  3. Step 3: Cross multiply
    1,184,710,853.20x = 1,777,066,279.80 × 572,490,821.20
  4. Step 4: Simplify right side
    1,184,710,853.20x = 1,017,354,133,849,531,008
  5. Step 5: Solve for x
    x = 1,017,354,133,849,531,008/1,184,710,853.20
  6. Step 6: Final answer
    x = 858,736,231.80

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Half scale
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Double scale
Find fourth proportional to 1,184,710,854.20, 1,777,066,281.30 and 572,490,822.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.