Home / 42,921,960,081.23-64,382,924,968.28-11,478,792,125.15

Finding the Fourth Proportional to 42,921,960,081.23, 64,382,924,968.28 and 11,478,792,125.15

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Solution

The fourth proportional to 42,921,960,081.23, 64,382,924,968.28 and 11,478,792,125.15 is: 17,218,184,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921,960,081.23 : 64,382,924,968.28 = 11,478,792,125.15 : x
  2. Step 2: Convert to fraction form
    42,921,960,081.23/64,382,924,968.28 = 11,478,792,125.15/x
  3. Step 3: Cross multiply
    42,921,960,081.23x = 64,382,924,968.28 × 11,478,792,125.15
  4. Step 4: Simplify right side
    42,921,960,081.23x = 739,038,212,120,015,798,272
  5. Step 5: Solve for x
    x = 739,038,212,120,015,798,272/42,921,960,081.23
  6. Step 6: Final answer
    x = 17,218,184,135.15

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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.