Home / 636,172,078.60-954,258,117.90-472,913,403.40

Finding the Fourth Proportional to 636,172,078.60, 954,258,117.90 and 472,913,403.40

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Solution

The fourth proportional to 636,172,078.60, 954,258,117.90 and 472,913,403.40 is: 709,370,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,172,078.60 : 954,258,117.90 = 472,913,403.40 : x
  2. Step 2: Convert to fraction form
    636,172,078.60/954,258,117.90 = 472,913,403.40/x
  3. Step 3: Cross multiply
    636,172,078.60x = 954,258,117.90 × 472,913,403.40
  4. Step 4: Simplify right side
    636,172,078.60x = 451,281,454,258,167,424
  5. Step 5: Solve for x
    x = 451,281,454,258,167,424/636,172,078.60
  6. Step 6: Final answer
    x = 709,370,105.10

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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.