Home / 12,827,755,902.49-17,703,351,452.66-7,113,829,816.33

Finding the Fourth Proportional to 12,827,755,902.49, 17,703,351,452.66 and 7,113,829,816.33

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Solution

The fourth proportional to 12,827,755,902.49, 17,703,351,452.66 and 7,113,829,816.33 is: 9,817,666,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827,755,902.49 : 17,703,351,452.66 = 7,113,829,816.33 : x
  2. Step 2: Convert to fraction form
    12,827,755,902.49/17,703,351,452.66 = 7,113,829,816.33/x
  3. Step 3: Cross multiply
    12,827,755,902.49x = 17,703,351,452.66 × 7,113,829,816.33
  4. Step 4: Simplify right side
    12,827,755,902.49x = 125,938,629,412,871,700,480
  5. Step 5: Solve for x
    x = 125,938,629,412,871,700,480/12,827,755,902.49
  6. Step 6: Final answer
    x = 9,817,666,501.47

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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.