Home / 639,318,443.76-881,773,303.84-550,160,663.13

Finding the Fourth Proportional to 639,318,443.76, 881,773,303.84 and 550,160,663.13

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Solution

The fourth proportional to 639,318,443.76, 881,773,303.84 and 550,160,663.13 is: 758,803,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,318,443.76 : 881,773,303.84 = 550,160,663.13 : x
  2. Step 2: Convert to fraction form
    639,318,443.76/881,773,303.84 = 550,160,663.13/x
  3. Step 3: Cross multiply
    639,318,443.76x = 881,773,303.84 × 550,160,663.13
  4. Step 4: Simplify right side
    639,318,443.76x = 485,116,985,569,569,984
  5. Step 5: Solve for x
    x = 485,116,985,569,569,984/639,318,443.76
  6. Step 6: Final answer
    x = 758,803,363.65

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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.