Home / 843,572,356.20-1,266,105,030.30-498,094,007.40

Finding the Fourth Proportional to 843,572,356.20, 1,266,105,030.30 and 498,094,007.40

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Solution

The fourth proportional to 843,572,356.20, 1,266,105,030.30 and 498,094,007.40 is: 747,581,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,572,356.20 : 1,266,105,030.30 = 498,094,007.40 : x
  2. Step 2: Convert to fraction form
    843,572,356.20/1,266,105,030.30 = 498,094,007.40/x
  3. Step 3: Cross multiply
    843,572,356.20x = 1,266,105,030.30 × 498,094,007.40
  4. Step 4: Simplify right side
    843,572,356.20x = 630,639,328,331,425,408
  5. Step 5: Solve for x
    x = 630,639,328,331,425,408/843,572,356.20
  6. Step 6: Final answer
    x = 747,581,785.60

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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.