Home / 717,509,614.20-1,076,264,421.30-654,020,129.40

Finding the Fourth Proportional to 717,509,614.20, 1,076,264,421.30 and 654,020,129.40

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Solution

The fourth proportional to 717,509,614.20, 1,076,264,421.30 and 654,020,129.40 is: 981,030,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,509,614.20 : 1,076,264,421.30 = 654,020,129.40 : x
  2. Step 2: Convert to fraction form
    717,509,614.20/1,076,264,421.30 = 654,020,129.40/x
  3. Step 3: Cross multiply
    717,509,614.20x = 1,076,264,421.30 × 654,020,129.40
  4. Step 4: Simplify right side
    717,509,614.20x = 703,898,596,087,242,112
  5. Step 5: Solve for x
    x = 703,898,596,087,242,112/717,509,614.20
  6. Step 6: Final answer
    x = 981,030,194.10

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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.