Home / 787,249,962.30-1,180,874,943.45-634,194,954.30

Finding the Fourth Proportional to 787,249,962.30, 1,180,874,943.45 and 634,194,954.30

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Solution

The fourth proportional to 787,249,962.30, 1,180,874,943.45 and 634,194,954.30 is: 951,292,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,249,962.30 : 1,180,874,943.45 = 634,194,954.30 : x
  2. Step 2: Convert to fraction form
    787,249,962.30/1,180,874,943.45 = 634,194,954.30/x
  3. Step 3: Cross multiply
    787,249,962.30x = 1,180,874,943.45 × 634,194,954.30
  4. Step 4: Simplify right side
    787,249,962.30x = 748,904,930,795,287,808
  5. Step 5: Solve for x
    x = 748,904,930,795,287,808/787,249,962.30
  6. Step 6: Final answer
    x = 951,292,431.45

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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.