Home / 42,921,960,077.72-64,382,924,963.03-11,478,792,121.65

Finding the Fourth Proportional to 42,921,960,077.72, 64,382,924,963.03 and 11,478,792,121.65

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Solution

The fourth proportional to 42,921,960,077.72, 64,382,924,963.03 and 11,478,792,121.65 is: 17,218,184,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921,960,077.72 : 64,382,924,963.03 = 11,478,792,121.65 : x
  2. Step 2: Convert to fraction form
    42,921,960,077.72/64,382,924,963.03 = 11,478,792,121.65/x
  3. Step 3: Cross multiply
    42,921,960,077.72x = 64,382,924,963.03 × 11,478,792,121.65
  4. Step 4: Simplify right side
    42,921,960,077.72x = 739,038,211,834,354,466,816
  5. Step 5: Solve for x
    x = 739,038,211,834,354,466,816/42,921,960,077.72
  6. Step 6: Final answer
    x = 17,218,184,129.90

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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.