Home / 996,656,124.90-1,494,984,187.35-478,961,732.10

Finding the Fourth Proportional to 996,656,124.90, 1,494,984,187.35 and 478,961,732.10

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Solution

The fourth proportional to 996,656,124.90, 1,494,984,187.35 and 478,961,732.10 is: 718,442,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,656,124.90 : 1,494,984,187.35 = 478,961,732.10 : x
  2. Step 2: Convert to fraction form
    996,656,124.90/1,494,984,187.35 = 478,961,732.10/x
  3. Step 3: Cross multiply
    996,656,124.90x = 1,494,984,187.35 × 478,961,732.10
  4. Step 4: Simplify right side
    996,656,124.90x = 716,040,215,835,266,944
  5. Step 5: Solve for x
    x = 716,040,215,835,266,944/996,656,124.90
  6. Step 6: Final answer
    x = 718,442,598.15

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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.