Home / 1,126,590,479.16-1,689,539,851.20-779,069,760.44

Finding the Fourth Proportional to 1,126,590,479.16, 1,689,539,851.20 and 779,069,760.44

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Solution

The fourth proportional to 1,126,590,479.16, 1,689,539,851.20 and 779,069,760.44 is: 1,168,365,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,590,479.16 : 1,689,539,851.20 = 779,069,760.44 : x
  2. Step 2: Convert to fraction form
    1,126,590,479.16/1,689,539,851.20 = 779,069,760.44/x
  3. Step 3: Cross multiply
    1,126,590,479.16x = 1,689,539,851.20 × 779,069,760.44
  4. Step 4: Simplify right side
    1,126,590,479.16x = 1,316,269,407,128,217,344
  5. Step 5: Solve for x
    x = 1,316,269,407,128,217,344/1,126,590,479.16
  6. Step 6: Final answer
    x = 1,168,365,463.30

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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.