Home / 717,457,514.10-1,076,186,271.15-656,235,510.90

Finding the Fourth Proportional to 717,457,514.10, 1,076,186,271.15 and 656,235,510.90

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Solution

The fourth proportional to 717,457,514.10, 1,076,186,271.15 and 656,235,510.90 is: 984,353,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,457,514.10 : 1,076,186,271.15 = 656,235,510.90 : x
  2. Step 2: Convert to fraction form
    717,457,514.10/1,076,186,271.15 = 656,235,510.90/x
  3. Step 3: Cross multiply
    717,457,514.10x = 1,076,186,271.15 × 656,235,510.90
  4. Step 4: Simplify right side
    717,457,514.10x = 706,231,647,471,686,272
  5. Step 5: Solve for x
    x = 706,231,647,471,686,272/717,457,514.10
  6. Step 6: Final answer
    x = 984,353,266.35

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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.