Home / 766,157,987,106.25-1,149,238,086,730.10-312,876,891,182.40

Finding the Fourth Proportional to 766,157,987,106.25, 1,149,238,086,730.10 and 312,876,891,182.40

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Solution

The fourth proportional to 766,157,987,106.25, 1,149,238,086,730.10 and 312,876,891,182.40 is: 469,315,788,461.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,157,987,106.25 : 1,149,238,086,730.10 = 312,876,891,182.40 : x
  2. Step 2: Convert to fraction form
    766,157,987,106.25/1,149,238,086,730.10 = 312,876,891,182.40/x
  3. Step 3: Cross multiply
    766,157,987,106.25x = 1,149,238,086,730.10 × 312,876,891,182.40
  4. Step 4: Simplify right side
    766,157,987,106.25x = 359,570,039,804,523,119,116,288
  5. Step 5: Solve for x
    x = 359,570,039,804,523,119,116,288/766,157,987,106.25
  6. Step 6: Final answer
    x = 469,315,788,461.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.