Home / 659,178,078.20-988,767,117.30-199,068,270.20

Finding the Fourth Proportional to 659,178,078.20, 988,767,117.30 and 199,068,270.20

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Solution

The fourth proportional to 659,178,078.20, 988,767,117.30 and 199,068,270.20 is: 298,602,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,178,078.20 : 988,767,117.30 = 199,068,270.20 : x
  2. Step 2: Convert to fraction form
    659,178,078.20/988,767,117.30 = 199,068,270.20/x
  3. Step 3: Cross multiply
    659,178,078.20x = 988,767,117.30 × 199,068,270.20
  4. Step 4: Simplify right side
    659,178,078.20x = 196,832,159,671,551,488
  5. Step 5: Solve for x
    x = 196,832,159,671,551,488/659,178,078.20
  6. Step 6: Final answer
    x = 298,602,405.30

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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.