Home / 586,711,999.20-880,067,998.80-198,547,492.80

Finding the Fourth Proportional to 586,711,999.20, 880,067,998.80 and 198,547,492.80

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Solution

The fourth proportional to 586,711,999.20, 880,067,998.80 and 198,547,492.80 is: 297,821,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,711,999.20 : 880,067,998.80 = 198,547,492.80 : x
  2. Step 2: Convert to fraction form
    586,711,999.20/880,067,998.80 = 198,547,492.80/x
  3. Step 3: Cross multiply
    586,711,999.20x = 880,067,998.80 × 198,547,492.80
  4. Step 4: Simplify right side
    586,711,999.20x = 174,735,294,655,253,408
  5. Step 5: Solve for x
    x = 174,735,294,655,253,408/586,711,999.20
  6. Step 6: Final answer
    x = 297,821,239.20

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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.