Home / 816,587,842,915.95-1,126,885,490,597.10-445,791,260,850.11

Finding the Fourth Proportional to 816,587,842,915.95, 1,126,885,490,597.10 and 445,791,260,850.11

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Solution

The fourth proportional to 816,587,842,915.95, 1,126,885,490,597.10 and 445,791,260,850.11 is: 615,188,810,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,587,842,915.95 : 1,126,885,490,597.10 = 445,791,260,850.11 : x
  2. Step 2: Convert to fraction form
    816,587,842,915.95/1,126,885,490,597.10 = 445,791,260,850.11/x
  3. Step 3: Cross multiply
    816,587,842,915.95x = 1,126,885,490,597.10 × 445,791,260,850.11
  4. Step 4: Simplify right side
    816,587,842,915.95x = 502,355,703,686,976,017,268,736
  5. Step 5: Solve for x
    x = 502,355,703,686,976,017,268,736/816,587,842,915.95
  6. Step 6: Final answer
    x = 615,188,810,420.10

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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.