Home / 720,514,688.96-1,079,537,023.45-483,720,719.42

Finding the Fourth Proportional to 720,514,688.96, 1,079,537,023.45 and 483,720,719.42

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Solution

The fourth proportional to 720,514,688.96, 1,079,537,023.45 and 483,720,719.42 is: 724,751,949.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,514,688.96 : 1,079,537,023.45 = 483,720,719.42 : x
  2. Step 2: Convert to fraction form
    720,514,688.96/1,079,537,023.45 = 483,720,719.42/x
  3. Step 3: Cross multiply
    720,514,688.96x = 1,079,537,023.45 × 483,720,719.42
  4. Step 4: Simplify right side
    720,514,688.96x = 522,194,425,623,759,424
  5. Step 5: Solve for x
    x = 522,194,425,623,759,424/720,514,688.96
  6. Step 6: Final answer
    x = 724,751,949.72

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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.