Home / 696,403,447.78-961,036,725.46-383,130,935.70

Finding the Fourth Proportional to 696,403,447.78, 961,036,725.46 and 383,130,935.70

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Solution

The fourth proportional to 696,403,447.78, 961,036,725.46 and 383,130,935.70 is: 528,720,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,447.78 : 961,036,725.46 = 383,130,935.70 : x
  2. Step 2: Convert to fraction form
    696,403,447.78/961,036,725.46 = 383,130,935.70/x
  3. Step 3: Cross multiply
    696,403,447.78x = 961,036,725.46 × 383,130,935.70
  4. Step 4: Simplify right side
    696,403,447.78x = 368,202,899,867,553,792
  5. Step 5: Solve for x
    x = 368,202,899,867,553,792/696,403,447.78
  6. Step 6: Final answer
    x = 528,720,673.40

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.