Home / 766,715,015.12-1,149,663,353.04-397,878,602.48

Finding the Fourth Proportional to 766,715,015.12, 1,149,663,353.04 and 397,878,602.48

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Solution

The fourth proportional to 766,715,015.12, 1,149,663,353.04 and 397,878,602.48 is: 596,605,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,715,015.12 : 1,149,663,353.04 = 397,878,602.48 : x
  2. Step 2: Convert to fraction form
    766,715,015.12/1,149,663,353.04 = 397,878,602.48/x
  3. Step 3: Cross multiply
    766,715,015.12x = 1,149,663,353.04 × 397,878,602.48
  4. Step 4: Simplify right side
    766,715,015.12x = 457,426,448,230,026,048
  5. Step 5: Solve for x
    x = 457,426,448,230,026,048/766,715,015.12
  6. Step 6: Final answer
    x = 596,605,569.49

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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.