Home / 916,851,477.70-1,375,277,216.55-626,613,832.90

Finding the Fourth Proportional to 916,851,477.70, 1,375,277,216.55 and 626,613,832.90

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Solution

The fourth proportional to 916,851,477.70, 1,375,277,216.55 and 626,613,832.90 is: 939,920,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,851,477.70 : 1,375,277,216.55 = 626,613,832.90 : x
  2. Step 2: Convert to fraction form
    916,851,477.70/1,375,277,216.55 = 626,613,832.90/x
  3. Step 3: Cross multiply
    916,851,477.70x = 1,375,277,216.55 × 626,613,832.90
  4. Step 4: Simplify right side
    916,851,477.70x = 861,767,727,962,438,784
  5. Step 5: Solve for x
    x = 861,767,727,962,438,784/916,851,477.70
  6. Step 6: Final answer
    x = 939,920,749.35

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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.