Home / 636,172,079.60-954,258,119.40-472,913,404.40

Finding the Fourth Proportional to 636,172,079.60, 954,258,119.40 and 472,913,404.40

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Solution

The fourth proportional to 636,172,079.60, 954,258,119.40 and 472,913,404.40 is: 709,370,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,172,079.60 : 954,258,119.40 = 472,913,404.40 : x
  2. Step 2: Convert to fraction form
    636,172,079.60/954,258,119.40 = 472,913,404.40/x
  3. Step 3: Cross multiply
    636,172,079.60x = 954,258,119.40 × 472,913,404.40
  4. Step 4: Simplify right side
    636,172,079.60x = 451,281,455,921,795,648
  5. Step 5: Solve for x
    x = 451,281,455,921,795,648/636,172,079.60
  6. Step 6: Final answer
    x = 709,370,106.60

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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.