Home / 616,811,158.62-851,191,457.76-352,490,124.78

Finding the Fourth Proportional to 616,811,158.62, 851,191,457.76 and 352,490,124.78

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Solution

The fourth proportional to 616,811,158.62, 851,191,457.76 and 352,490,124.78 is: 486,431,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,811,158.62 : 851,191,457.76 = 352,490,124.78 : x
  2. Step 2: Convert to fraction form
    616,811,158.62/851,191,457.76 = 352,490,124.78/x
  3. Step 3: Cross multiply
    616,811,158.62x = 851,191,457.76 × 352,490,124.78
  4. Step 4: Simplify right side
    616,811,158.62x = 300,036,583,157,492,480
  5. Step 5: Solve for x
    x = 300,036,583,157,492,480/616,811,158.62
  6. Step 6: Final answer
    x = 486,431,834.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.