Home / 1,184,710,853.70-1,777,066,280.55-572,490,821.70

Finding the Fourth Proportional to 1,184,710,853.70, 1,777,066,280.55 and 572,490,821.70

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Solution

The fourth proportional to 1,184,710,853.70, 1,777,066,280.55 and 572,490,821.70 is: 858,736,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,710,853.70 : 1,777,066,280.55 = 572,490,821.70 : x
  2. Step 2: Convert to fraction form
    1,184,710,853.70/1,777,066,280.55 = 572,490,821.70/x
  3. Step 3: Cross multiply
    1,184,710,853.70x = 1,777,066,280.55 × 572,490,821.70
  4. Step 4: Simplify right side
    1,184,710,853.70x = 1,017,354,135,167,432,320
  5. Step 5: Solve for x
    x = 1,017,354,135,167,432,320/1,184,710,853.70
  6. Step 6: Final answer
    x = 858,736,232.55

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Half scale
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Double scale
Find fourth proportional to 1,184,710,854.70, 1,777,066,282.05 and 572,490,822.70
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.