Home / 688,085,240.80-1,032,127,861.20-688,085,240.80

Finding the Fourth Proportional to 688,085,240.80, 1,032,127,861.20 and 688,085,240.80

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Solution

The fourth proportional to 688,085,240.80, 1,032,127,861.20 and 688,085,240.80 is: 1,032,127,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,085,240.80 : 1,032,127,861.20 = 688,085,240.80 : x
  2. Step 2: Convert to fraction form
    688,085,240.80/1,032,127,861.20 = 688,085,240.80/x
  3. Step 3: Cross multiply
    688,085,240.80x = 1,032,127,861.20 × 688,085,240.80
  4. Step 4: Simplify right side
    688,085,240.80x = 710,191,947,910,190,976
  5. Step 5: Solve for x
    x = 710,191,947,910,190,976/688,085,240.80
  6. Step 6: Final answer
    x = 1,032,127,861.20

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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.