Home / 345,484,027.60-517,894,265.40-199,768,008.40

Finding the Fourth Proportional to 345,484,027.60, 517,894,265.40 and 199,768,008.40

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Solution

The fourth proportional to 345,484,027.60, 517,894,265.40 and 199,768,008.40 is: 299,460,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,484,027.60 : 517,894,265.40 = 199,768,008.40 : x
  2. Step 2: Convert to fraction form
    345,484,027.60/517,894,265.40 = 199,768,008.40/x
  3. Step 3: Cross multiply
    345,484,027.60x = 517,894,265.40 × 199,768,008.40
  4. Step 4: Simplify right side
    345,484,027.60x = 103,458,705,960,739,024
  5. Step 5: Solve for x
    x = 103,458,705,960,739,024/345,484,027.60
  6. Step 6: Final answer
    x = 299,460,170.94

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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.