Home / 7,966,421,728.84-10,998,623,430.66-5,071,207,017.88

Finding the Fourth Proportional to 7,966,421,728.84, 10,998,623,430.66 and 5,071,207,017.88

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Solution

The fourth proportional to 7,966,421,728.84, 10,998,623,430.66 and 5,071,207,017.88 is: 7,001,424,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966,421,728.84 : 10,998,623,430.66 = 5,071,207,017.88 : x
  2. Step 2: Convert to fraction form
    7,966,421,728.84/10,998,623,430.66 = 5,071,207,017.88/x
  3. Step 3: Cross multiply
    7,966,421,728.84x = 10,998,623,430.66 × 5,071,207,017.88
  4. Step 4: Simplify right side
    7,966,421,728.84x = 55,776,296,328,582,397,952
  5. Step 5: Solve for x
    x = 55,776,296,328,582,397,952/7,966,421,728.84
  6. Step 6: Final answer
    x = 7,001,424,005.29

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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.