Home / 977,699,355.90-1,349,260,589.43-560,092,351.74

Finding the Fourth Proportional to 977,699,355.90, 1,349,260,589.43 and 560,092,351.74

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Solution

The fourth proportional to 977,699,355.90, 1,349,260,589.43 and 560,092,351.74 is: 772,947,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,699,355.90 : 1,349,260,589.43 = 560,092,351.74 : x
  2. Step 2: Convert to fraction form
    977,699,355.90/1,349,260,589.43 = 560,092,351.74/x
  3. Step 3: Cross multiply
    977,699,355.90x = 1,349,260,589.43 × 560,092,351.74
  4. Step 4: Simplify right side
    977,699,355.90x = 755,710,536,643,947,392
  5. Step 5: Solve for x
    x = 755,710,536,643,947,392/977,699,355.90
  6. Step 6: Final answer
    x = 772,947,769.77

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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.