Home / 1,146,017,999.70-1,719,026,999.55-369,688,986.90

Finding the Fourth Proportional to 1,146,017,999.70, 1,719,026,999.55 and 369,688,986.90

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Solution

The fourth proportional to 1,146,017,999.70, 1,719,026,999.55 and 369,688,986.90 is: 554,533,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,017,999.70 : 1,719,026,999.55 = 369,688,986.90 : x
  2. Step 2: Convert to fraction form
    1,146,017,999.70/1,719,026,999.55 = 369,688,986.90/x
  3. Step 3: Cross multiply
    1,146,017,999.70x = 1,719,026,999.55 × 369,688,986.90
  4. Step 4: Simplify right side
    1,146,017,999.70x = 635,505,349,917,386,240
  5. Step 5: Solve for x
    x = 635,505,349,917,386,240/1,146,017,999.70
  6. Step 6: Final answer
    x = 554,533,480.35

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Double scale
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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.