Home / 787,249,958.80-1,180,874,938.20-634,194,950.80

Finding the Fourth Proportional to 787,249,958.80, 1,180,874,938.20 and 634,194,950.80

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Solution

The fourth proportional to 787,249,958.80, 1,180,874,938.20 and 634,194,950.80 is: 951,292,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,249,958.80 : 1,180,874,938.20 = 634,194,950.80 : x
  2. Step 2: Convert to fraction form
    787,249,958.80/1,180,874,938.20 = 634,194,950.80/x
  3. Step 3: Cross multiply
    787,249,958.80x = 1,180,874,938.20 × 634,194,950.80
  4. Step 4: Simplify right side
    787,249,958.80x = 748,904,923,332,701,952
  5. Step 5: Solve for x
    x = 748,904,923,332,701,952/787,249,958.80
  6. Step 6: Final answer
    x = 951,292,426.20

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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.