Home / 636,172,080.60-954,258,120.90-472,913,405.40

Finding the Fourth Proportional to 636,172,080.60, 954,258,120.90 and 472,913,405.40

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Solution

The fourth proportional to 636,172,080.60, 954,258,120.90 and 472,913,405.40 is: 709,370,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,172,080.60 : 954,258,120.90 = 472,913,405.40 : x
  2. Step 2: Convert to fraction form
    636,172,080.60/954,258,120.90 = 472,913,405.40/x
  3. Step 3: Cross multiply
    636,172,080.60x = 954,258,120.90 × 472,913,405.40
  4. Step 4: Simplify right side
    636,172,080.60x = 451,281,457,585,423,872
  5. Step 5: Solve for x
    x = 451,281,457,585,423,872/636,172,080.60
  6. Step 6: Final answer
    x = 709,370,108.10

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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.