Home / 749,403,770.70-1,034,285,377.77-431,803,188.66

Finding the Fourth Proportional to 749,403,770.70, 1,034,285,377.77 and 431,803,188.66

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Solution

The fourth proportional to 749,403,770.70, 1,034,285,377.77 and 431,803,188.66 is: 595,950,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,403,770.70 : 1,034,285,377.77 = 431,803,188.66 : x
  2. Step 2: Convert to fraction form
    749,403,770.70/1,034,285,377.77 = 431,803,188.66/x
  3. Step 3: Cross multiply
    749,403,770.70x = 1,034,285,377.77 × 431,803,188.66
  4. Step 4: Simplify right side
    749,403,770.70x = 446,607,724,105,498,688
  5. Step 5: Solve for x
    x = 446,607,724,105,498,688/749,403,770.70
  6. Step 6: Final answer
    x = 595,950,729.86

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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.