Home / 374,679,729.83-517,064,148.65-205,131,139

Finding the Fourth Proportional to 374,679,729.83, 517,064,148.65 and 205,131,139

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Solution

The fourth proportional to 374,679,729.83, 517,064,148.65 and 205,131,139 is: 283,084,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,679,729.83 : 517,064,148.65 = 205,131,139 : x
  2. Step 2: Convert to fraction form
    374,679,729.83/517,064,148.65 = 205,131,139/x
  3. Step 3: Cross multiply
    374,679,729.83x = 517,064,148.65 × 205,131,139
  4. Step 4: Simplify right side
    374,679,729.83x = 106,065,957,748,639,808
  5. Step 5: Solve for x
    x = 106,065,957,748,639,808/374,679,729.83
  6. Step 6: Final answer
    x = 283,084,323.23

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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.