Home / 385,666,572.07-532,252,693.11-218,432,582.88

Finding the Fourth Proportional to 385,666,572.07, 532,252,693.11 and 218,432,582.88

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Solution

The fourth proportional to 385,666,572.07, 532,252,693.11 and 218,432,582.88 is: 301,455,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,666,572.07 : 532,252,693.11 = 218,432,582.88 : x
  2. Step 2: Convert to fraction form
    385,666,572.07/532,252,693.11 = 218,432,582.88/x
  3. Step 3: Cross multiply
    385,666,572.07x = 532,252,693.11 × 218,432,582.88
  4. Step 4: Simplify right side
    385,666,572.07x = 116,261,330,500,853,280
  5. Step 5: Solve for x
    x = 116,261,330,500,853,280/385,666,572.07
  6. Step 6: Final answer
    x = 301,455,554.93

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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.