Home / 978,344,046.02-1,468,161,769.89-518,605,065.74

Finding the Fourth Proportional to 978,344,046.02, 1,468,161,769.89 and 518,605,065.74

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Solution

The fourth proportional to 978,344,046.02, 1,468,161,769.89 and 518,605,065.74 is: 778,249,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,344,046.02 : 1,468,161,769.89 = 518,605,065.74 : x
  2. Step 2: Convert to fraction form
    978,344,046.02/1,468,161,769.89 = 518,605,065.74/x
  3. Step 3: Cross multiply
    978,344,046.02x = 1,468,161,769.89 × 518,605,065.74
  4. Step 4: Simplify right side
    978,344,046.02x = 761,396,131,190,758,272
  5. Step 5: Solve for x
    x = 761,396,131,190,758,272/978,344,046.02
  6. Step 6: Final answer
    x = 778,249,874.66

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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.