Home / 42,921,960,066.91-64,382,924,946.80-11,478,792,110.84

Finding the Fourth Proportional to 42,921,960,066.91, 64,382,924,946.80 and 11,478,792,110.84

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Solution

The fourth proportional to 42,921,960,066.91, 64,382,924,946.80 and 11,478,792,110.84 is: 17,218,184,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921,960,066.91 : 64,382,924,946.80 = 11,478,792,110.84 : x
  2. Step 2: Convert to fraction form
    42,921,960,066.91/64,382,924,946.80 = 11,478,792,110.84/x
  3. Step 3: Cross multiply
    42,921,960,066.91x = 64,382,924,946.80 × 11,478,792,110.84
  4. Step 4: Simplify right side
    42,921,960,066.91x = 739,038,210,952,131,772,416
  5. Step 5: Solve for x
    x = 739,038,210,952,131,772,416/42,921,960,066.91
  6. Step 6: Final answer
    x = 17,218,184,113.68

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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.