Home / 12,988,926,802.16-17,924,718,988.08-7,048,479,304.16

Finding the Fourth Proportional to 12,988,926,802.16, 17,924,718,988.08 and 7,048,479,304.16

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Solution

The fourth proportional to 12,988,926,802.16, 17,924,718,988.08 and 7,048,479,304.16 is: 9,726,901,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,926,802.16 : 17,924,718,988.08 = 7,048,479,304.16 : x
  2. Step 2: Convert to fraction form
    12,988,926,802.16/17,924,718,988.08 = 7,048,479,304.16/x
  3. Step 3: Cross multiply
    12,988,926,802.16x = 17,924,718,988.08 × 7,048,479,304.16
  4. Step 4: Simplify right side
    12,988,926,802.16x = 126,342,010,820,365,664,256
  5. Step 5: Solve for x
    x = 126,342,010,820,365,664,256/12,988,926,802.16
  6. Step 6: Final answer
    x = 9,726,901,440.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.