Home / 1,023,678,549.59-1,412,673,319.55-553,779,740.52

Finding the Fourth Proportional to 1,023,678,549.59, 1,412,673,319.55 and 553,779,740.52

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Solution

The fourth proportional to 1,023,678,549.59, 1,412,673,319.55 and 553,779,740.52 is: 764,214,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,678,549.59 : 1,412,673,319.55 = 553,779,740.52 : x
  2. Step 2: Convert to fraction form
    1,023,678,549.59/1,412,673,319.55 = 553,779,740.52/x
  3. Step 3: Cross multiply
    1,023,678,549.59x = 1,412,673,319.55 × 553,779,740.52
  4. Step 4: Simplify right side
    1,023,678,549.59x = 782,309,864,337,157,120
  5. Step 5: Solve for x
    x = 782,309,864,337,157,120/1,023,678,549.59
  6. Step 6: Final answer
    x = 764,214,376.33

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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.