Home / 949,031,198.10-1,309,648,426.92-531,358,430.16

Finding the Fourth Proportional to 949,031,198.10, 1,309,648,426.92 and 531,358,430.16

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Solution

The fourth proportional to 949,031,198.10, 1,309,648,426.92 and 531,358,430.16 is: 733,266,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,031,198.10 : 1,309,648,426.92 = 531,358,430.16 : x
  2. Step 2: Convert to fraction form
    949,031,198.10/1,309,648,426.92 = 531,358,430.16/x
  3. Step 3: Cross multiply
    949,031,198.10x = 1,309,648,426.92 × 531,358,430.16
  4. Step 4: Simplify right side
    949,031,198.10x = 695,892,732,189,724,800
  5. Step 5: Solve for x
    x = 695,892,732,189,724,800/949,031,198.10
  6. Step 6: Final answer
    x = 733,266,444.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.