Home / 770,935,229.72-1,154,999,839.08-688,285,525.40

Finding the Fourth Proportional to 770,935,229.72, 1,154,999,839.08 and 688,285,525.40

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Solution

The fourth proportional to 770,935,229.72, 1,154,999,839.08 and 688,285,525.40 is: 1,031,175,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,935,229.72 : 1,154,999,839.08 = 688,285,525.40 : x
  2. Step 2: Convert to fraction form
    770,935,229.72/1,154,999,839.08 = 688,285,525.40/x
  3. Step 3: Cross multiply
    770,935,229.72x = 1,154,999,839.08 × 688,285,525.40
  4. Step 4: Simplify right side
    770,935,229.72x = 794,969,671,078,093,184
  5. Step 5: Solve for x
    x = 794,969,671,078,093,184/770,935,229.72
  6. Step 6: Final answer
    x = 1,031,175,694.70

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1.5x scale

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.