Home / 12,610,090,781.68-17,399,038,256.22-7,528,465,717.60

Finding the Fourth Proportional to 12,610,090,781.68, 17,399,038,256.22 and 7,528,465,717.60

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Solution

The fourth proportional to 12,610,090,781.68, 17,399,038,256.22 and 7,528,465,717.60 is: 10,387,559,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610,090,781.68 : 17,399,038,256.22 = 7,528,465,717.60 : x
  2. Step 2: Convert to fraction form
    12,610,090,781.68/17,399,038,256.22 = 7,528,465,717.60/x
  3. Step 3: Cross multiply
    12,610,090,781.68x = 17,399,038,256.22 × 7,528,465,717.60
  4. Step 4: Simplify right side
    12,610,090,781.68x = 130,988,063,031,163,174,912
  5. Step 5: Solve for x
    x = 130,988,063,031,163,174,912/12,610,090,781.68
  6. Step 6: Final answer
    x = 10,387,559,082.56

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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.