Home / 1,478,454,428.25-2,219,861,702.70-824,682,795.93

Finding the Fourth Proportional to 1,478,454,428.25, 2,219,861,702.70 and 824,682,795.93

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Solution

The fourth proportional to 1,478,454,428.25, 2,219,861,702.70 and 824,682,795.93 is: 1,238,240,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,454,428.25 : 2,219,861,702.70 = 824,682,795.93 : x
  2. Step 2: Convert to fraction form
    1,478,454,428.25/2,219,861,702.70 = 824,682,795.93/x
  3. Step 3: Cross multiply
    1,478,454,428.25x = 2,219,861,702.70 × 824,682,795.93
  4. Step 4: Simplify right side
    1,478,454,428.25x = 1,830,681,755,560,566,272
  5. Step 5: Solve for x
    x = 1,830,681,755,560,566,272/1,478,454,428.25
  6. Step 6: Final answer
    x = 1,238,240,232.89

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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.