Home / 12,445,098,430.78-17,173,197,619.05-7,019,335,043.20

Finding the Fourth Proportional to 12,445,098,430.78, 17,173,197,619.05 and 7,019,335,043.20

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Solution

The fourth proportional to 12,445,098,430.78, 17,173,197,619.05 and 7,019,335,043.20 is: 9,686,096,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,098,430.78 : 17,173,197,619.05 = 7,019,335,043.20 : x
  2. Step 2: Convert to fraction form
    12,445,098,430.78/17,173,197,619.05 = 7,019,335,043.20/x
  3. Step 3: Cross multiply
    12,445,098,430.78x = 17,173,197,619.05 × 7,019,335,043.20
  4. Step 4: Simplify right side
    12,445,098,430.78x = 120,544,427,851,196,465,152
  5. Step 5: Solve for x
    x = 120,544,427,851,196,465,152/12,445,098,430.78
  6. Step 6: Final answer
    x = 9,686,096,781.13

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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.