Home / 510,720,156.40-766,080,234.60-502,657,999.60

Finding the Fourth Proportional to 510,720,156.40, 766,080,234.60 and 502,657,999.60

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Solution

The fourth proportional to 510,720,156.40, 766,080,234.60 and 502,657,999.60 is: 753,986,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,720,156.40 : 766,080,234.60 = 502,657,999.60 : x
  2. Step 2: Convert to fraction form
    510,720,156.40/766,080,234.60 = 502,657,999.60/x
  3. Step 3: Cross multiply
    510,720,156.40x = 766,080,234.60 × 502,657,999.60
  4. Step 4: Simplify right side
    510,720,156.40x = 385,076,358,257,134,720
  5. Step 5: Solve for x
    x = 385,076,358,257,134,720/510,720,156.40
  6. Step 6: Final answer
    x = 753,986,999.40

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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.