Home / 385,646,869.08-532,355,539.14-260,368,769.88

Finding the Fourth Proportional to 385,646,869.08, 532,355,539.14 and 260,368,769.88

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Solution

The fourth proportional to 385,646,869.08, 532,355,539.14 and 260,368,769.88 is: 359,418,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,646,869.08 : 532,355,539.14 = 260,368,769.88 : x
  2. Step 2: Convert to fraction form
    385,646,869.08/532,355,539.14 = 260,368,769.88/x
  3. Step 3: Cross multiply
    385,646,869.08x = 532,355,539.14 × 260,368,769.88
  4. Step 4: Simplify right side
    385,646,869.08x = 138,608,756,864,685,984
  5. Step 5: Solve for x
    x = 138,608,756,864,685,984/385,646,869.08
  6. Step 6: Final answer
    x = 359,418,856.93

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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.