Home / 498,276,613.02-687,642,617.47-286,583,502.34

Finding the Fourth Proportional to 498,276,613.02, 687,642,617.47 and 286,583,502.34

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Solution

The fourth proportional to 498,276,613.02, 687,642,617.47 and 286,583,502.34 is: 395,497,248.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,276,613.02 : 687,642,617.47 = 286,583,502.34 : x
  2. Step 2: Convert to fraction form
    498,276,613.02/687,642,617.47 = 286,583,502.34/x
  3. Step 3: Cross multiply
    498,276,613.02x = 687,642,617.47 × 286,583,502.34
  4. Step 4: Simplify right side
    498,276,613.02x = 197,067,029,674,031,072
  5. Step 5: Solve for x
    x = 197,067,029,674,031,072/498,276,613.02
  6. Step 6: Final answer
    x = 395,497,248.96

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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.