Home / 402,409,873.80-602,870,793.30-229,372,684.20

Finding the Fourth Proportional to 402,409,873.80, 602,870,793.30 and 229,372,684.20

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Solution

The fourth proportional to 402,409,873.80, 602,870,793.30 and 229,372,684.20 is: 343,634,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,409,873.80 : 602,870,793.30 = 229,372,684.20 : x
  2. Step 2: Convert to fraction form
    402,409,873.80/602,870,793.30 = 229,372,684.20/x
  3. Step 3: Cross multiply
    402,409,873.80x = 602,870,793.30 × 229,372,684.20
  4. Step 4: Simplify right side
    402,409,873.80x = 138,282,092,085,004,352
  5. Step 5: Solve for x
    x = 138,282,092,085,004,352/402,409,873.80
  6. Step 6: Final answer
    x = 343,634,938.13

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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.