Home / 688,085,236.80-1,032,127,855.20-688,085,236.80

Finding the Fourth Proportional to 688,085,236.80, 1,032,127,855.20 and 688,085,236.80

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Solution

The fourth proportional to 688,085,236.80, 1,032,127,855.20 and 688,085,236.80 is: 1,032,127,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,085,236.80 : 1,032,127,855.20 = 688,085,236.80 : x
  2. Step 2: Convert to fraction form
    688,085,236.80/1,032,127,855.20 = 688,085,236.80/x
  3. Step 3: Cross multiply
    688,085,236.80x = 1,032,127,855.20 × 688,085,236.80
  4. Step 4: Simplify right side
    688,085,236.80x = 710,191,939,653,168,128
  5. Step 5: Solve for x
    x = 710,191,939,653,168,128/688,085,236.80
  6. Step 6: Final answer
    x = 1,032,127,855.20

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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.