Home / 717,509,912.70-1,076,264,869.05-654,020,427.90

Finding the Fourth Proportional to 717,509,912.70, 1,076,264,869.05 and 654,020,427.90

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Solution

The fourth proportional to 717,509,912.70, 1,076,264,869.05 and 654,020,427.90 is: 981,030,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,509,912.70 : 1,076,264,869.05 = 654,020,427.90 : x
  2. Step 2: Convert to fraction form
    717,509,912.70/1,076,264,869.05 = 654,020,427.90/x
  3. Step 3: Cross multiply
    717,509,912.70x = 1,076,264,869.05 × 654,020,427.90
  4. Step 4: Simplify right side
    717,509,912.70x = 703,899,210,189,818,368
  5. Step 5: Solve for x
    x = 703,899,210,189,818,368/717,509,912.70
  6. Step 6: Final answer
    x = 981,030,641.85

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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.