Home / 12,610,090,778.68-17,399,038,252.08-7,528,465,714.60

Finding the Fourth Proportional to 12,610,090,778.68, 17,399,038,252.08 and 7,528,465,714.60

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Solution

The fourth proportional to 12,610,090,778.68, 17,399,038,252.08 and 7,528,465,714.60 is: 10,387,559,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610,090,778.68 : 17,399,038,252.08 = 7,528,465,714.60 : x
  2. Step 2: Convert to fraction form
    12,610,090,778.68/17,399,038,252.08 = 7,528,465,714.60/x
  3. Step 3: Cross multiply
    12,610,090,778.68x = 17,399,038,252.08 × 7,528,465,714.60
  4. Step 4: Simplify right side
    12,610,090,778.68x = 130,988,062,947,798,204,416
  5. Step 5: Solve for x
    x = 130,988,062,947,798,204,416/12,610,090,778.68
  6. Step 6: Final answer
    x = 10,387,559,078.42

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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.