Home / 777,014,728.40-1,165,495,135.80-194,754,069.20

Finding the Fourth Proportional to 777,014,728.40, 1,165,495,135.80 and 194,754,069.20

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Solution

The fourth proportional to 777,014,728.40, 1,165,495,135.80 and 194,754,069.20 is: 292,124,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,014,728.40 : 1,165,495,135.80 = 194,754,069.20 : x
  2. Step 2: Convert to fraction form
    777,014,728.40/1,165,495,135.80 = 194,754,069.20/x
  3. Step 3: Cross multiply
    777,014,728.40x = 1,165,495,135.80 × 194,754,069.20
  4. Step 4: Simplify right side
    777,014,728.40x = 226,984,920,329,856,576
  5. Step 5: Solve for x
    x = 226,984,920,329,856,576/777,014,728.40
  6. Step 6: Final answer
    x = 292,124,347.24

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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.