Home / 1,228,343,452.10-1,695,113,838.70-671,428,723.22

Finding the Fourth Proportional to 1,228,343,452.10, 1,695,113,838.70 and 671,428,723.22

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Solution

The fourth proportional to 1,228,343,452.10, 1,695,113,838.70 and 671,428,723.22 is: 926,571,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,343,452.10 : 1,695,113,838.70 = 671,428,723.22 : x
  2. Step 2: Convert to fraction form
    1,228,343,452.10/1,695,113,838.70 = 671,428,723.22/x
  3. Step 3: Cross multiply
    1,228,343,452.10x = 1,695,113,838.70 × 671,428,723.22
  4. Step 4: Simplify right side
    1,228,343,452.10x = 1,138,148,120,420,739,968
  5. Step 5: Solve for x
    x = 1,138,148,120,420,739,968/1,228,343,452.10
  6. Step 6: Final answer
    x = 926,571,569.60

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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.