Home / 507,449,397,084.52-761,509,434,905.88-238,915,172,868.52

Finding the Fourth Proportional to 507,449,397,084.52, 761,509,434,905.88 and 238,915,172,868.52

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Solution

The fourth proportional to 507,449,397,084.52, 761,509,434,905.88 and 238,915,172,868.52 is: 358,530,642,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,449,397,084.52 : 761,509,434,905.88 = 238,915,172,868.52 : x
  2. Step 2: Convert to fraction form
    507,449,397,084.52/761,509,434,905.88 = 238,915,172,868.52/x
  3. Step 3: Cross multiply
    507,449,397,084.52x = 761,509,434,905.88 × 238,915,172,868.52
  4. Step 4: Simplify right side
    507,449,397,084.52x = 181,936,158,281,547,298,897,920
  5. Step 5: Solve for x
    x = 181,936,158,281,547,298,897,920/507,449,397,084.52
  6. Step 6: Final answer
    x = 358,530,642,319.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.