Home / 509,840,652.33-761,858,598.96-382,816,645.11

Finding the Fourth Proportional to 509,840,652.33, 761,858,598.96 and 382,816,645.11

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Solution

The fourth proportional to 509,840,652.33, 761,858,598.96 and 382,816,645.11 is: 572,045,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,840,652.33 : 761,858,598.96 = 382,816,645.11 : x
  2. Step 2: Convert to fraction form
    509,840,652.33/761,858,598.96 = 382,816,645.11/x
  3. Step 3: Cross multiply
    509,840,652.33x = 761,858,598.96 × 382,816,645.11
  4. Step 4: Simplify right side
    509,840,652.33x = 291,652,152,902,072,192
  5. Step 5: Solve for x
    x = 291,652,152,902,072,192/509,840,652.33
  6. Step 6: Final answer
    x = 572,045,700.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.