Home / 710,253,835.20-1,065,380,752.80-655,834,276.80

Finding the Fourth Proportional to 710,253,835.20, 1,065,380,752.80 and 655,834,276.80

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Solution

The fourth proportional to 710,253,835.20, 1,065,380,752.80 and 655,834,276.80 is: 983,751,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,253,835.20 : 1,065,380,752.80 = 655,834,276.80 : x
  2. Step 2: Convert to fraction form
    710,253,835.20/1,065,380,752.80 = 655,834,276.80/x
  3. Step 3: Cross multiply
    710,253,835.20x = 1,065,380,752.80 × 655,834,276.80
  4. Step 4: Simplify right side
    710,253,835.20x = 698,713,215,529,227,520
  5. Step 5: Solve for x
    x = 698,713,215,529,227,520/710,253,835.20
  6. Step 6: Final answer
    x = 983,751,415.20

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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.