Home / 717,509,612.20-1,076,264,418.30-654,020,127.40

Finding the Fourth Proportional to 717,509,612.20, 1,076,264,418.30 and 654,020,127.40

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Solution

The fourth proportional to 717,509,612.20, 1,076,264,418.30 and 654,020,127.40 is: 981,030,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,509,612.20 : 1,076,264,418.30 = 654,020,127.40 : x
  2. Step 2: Convert to fraction form
    717,509,612.20/1,076,264,418.30 = 654,020,127.40/x
  3. Step 3: Cross multiply
    717,509,612.20x = 1,076,264,418.30 × 654,020,127.40
  4. Step 4: Simplify right side
    717,509,612.20x = 703,898,591,972,652,800
  5. Step 5: Solve for x
    x = 703,898,591,972,652,800/717,509,612.20
  6. Step 6: Final answer
    x = 981,030,191.10

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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.