Home / 340,581,881.80-510,872,822.70-149,478,905.80

Finding the Fourth Proportional to 340,581,881.80, 510,872,822.70 and 149,478,905.80

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Solution

The fourth proportional to 340,581,881.80, 510,872,822.70 and 149,478,905.80 is: 224,218,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,581,881.80 : 510,872,822.70 = 149,478,905.80 : x
  2. Step 2: Convert to fraction form
    340,581,881.80/510,872,822.70 = 149,478,905.80/x
  3. Step 3: Cross multiply
    340,581,881.80x = 510,872,822.70 × 149,478,905.80
  4. Step 4: Simplify right side
    340,581,881.80x = 76,364,710,540,153,408
  5. Step 5: Solve for x
    x = 76,364,710,540,153,408/340,581,881.80
  6. Step 6: Final answer
    x = 224,218,358.70

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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.