Home / 787,249,954.80-1,180,874,932.20-634,194,946.80

Finding the Fourth Proportional to 787,249,954.80, 1,180,874,932.20 and 634,194,946.80

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Solution

The fourth proportional to 787,249,954.80, 1,180,874,932.20 and 634,194,946.80 is: 951,292,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,249,954.80 : 1,180,874,932.20 = 634,194,946.80 : x
  2. Step 2: Convert to fraction form
    787,249,954.80/1,180,874,932.20 = 634,194,946.80/x
  3. Step 3: Cross multiply
    787,249,954.80x = 1,180,874,932.20 × 634,194,946.80
  4. Step 4: Simplify right side
    787,249,954.80x = 748,904,914,804,032,640
  5. Step 5: Solve for x
    x = 748,904,914,804,032,640/787,249,954.80
  6. Step 6: Final answer
    x = 951,292,420.20

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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.