Home / 787,249,972.80-1,180,874,959.20-634,194,964.80

Finding the Fourth Proportional to 787,249,972.80, 1,180,874,959.20 and 634,194,964.80

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Solution

The fourth proportional to 787,249,972.80, 1,180,874,959.20 and 634,194,964.80 is: 951,292,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,249,972.80 : 1,180,874,959.20 = 634,194,964.80 : x
  2. Step 2: Convert to fraction form
    787,249,972.80/1,180,874,959.20 = 634,194,964.80/x
  3. Step 3: Cross multiply
    787,249,972.80x = 1,180,874,959.20 × 634,194,964.80
  4. Step 4: Simplify right side
    787,249,972.80x = 748,904,953,183,045,376
  5. Step 5: Solve for x
    x = 748,904,953,183,045,376/787,249,972.80
  6. Step 6: Final answer
    x = 951,292,447.20

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Half scale
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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.