Home / 1,208,975,812,265.10-1,668,427,791,390.40-715,003,812,102.60

Finding the Fourth Proportional to 1,208,975,812,265.10, 1,668,427,791,390.40 and 715,003,812,102.60

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Solution

The fourth proportional to 1,208,975,812,265.10, 1,668,427,791,390.40 and 715,003,812,102.60 is: 986,729,609,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,975,812,265.10 : 1,668,427,791,390.40 = 715,003,812,102.60 : x
  2. Step 2: Convert to fraction form
    1,208,975,812,265.10/1,668,427,791,390.40 = 715,003,812,102.60/x
  3. Step 3: Cross multiply
    1,208,975,812,265.10x = 1,668,427,791,390.40 × 715,003,812,102.60
  4. Step 4: Simplify right side
    1,208,975,812,265.10x = 1,192,932,231,062,057,308,389,376
  5. Step 5: Solve for x
    x = 1,192,932,231,062,057,308,389,376/1,208,975,812,265.10
  6. Step 6: Final answer
    x = 986,729,609,442.74

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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.