Home / 42,921,960,076.84-64,382,924,961.71-11,478,792,120.78

Finding the Fourth Proportional to 42,921,960,076.84, 64,382,924,961.71 and 11,478,792,120.78

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Solution

The fourth proportional to 42,921,960,076.84, 64,382,924,961.71 and 11,478,792,120.78 is: 17,218,184,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921,960,076.84 : 64,382,924,961.71 = 11,478,792,120.78 : x
  2. Step 2: Convert to fraction form
    42,921,960,076.84/64,382,924,961.71 = 11,478,792,120.78/x
  3. Step 3: Cross multiply
    42,921,960,076.84x = 64,382,924,961.71 × 11,478,792,120.78
  4. Step 4: Simplify right side
    42,921,960,076.84x = 739,038,211,763,246,727,168
  5. Step 5: Solve for x
    x = 739,038,211,763,246,727,168/42,921,960,076.84
  6. Step 6: Final answer
    x = 17,218,184,128.60

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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.