Home / 354,296,543.40-531,444,815.10-149,824,618.65

Finding the Fourth Proportional to 354,296,543.40, 531,444,815.10 and 149,824,618.65

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Solution

The fourth proportional to 354,296,543.40, 531,444,815.10 and 149,824,618.65 is: 224,736,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,296,543.40 : 531,444,815.10 = 149,824,618.65 : x
  2. Step 2: Convert to fraction form
    354,296,543.40/531,444,815.10 = 149,824,618.65/x
  3. Step 3: Cross multiply
    354,296,543.40x = 531,444,815.10 × 149,824,618.65
  4. Step 4: Simplify right side
    354,296,543.40x = 79,623,516,755,877,264
  5. Step 5: Solve for x
    x = 79,623,516,755,877,264/354,296,543.40
  6. Step 6: Final answer
    x = 224,736,927.98

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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.