Home / 294,486,209.28-406,779,116.40-220,017,342.96

Finding the Fourth Proportional to 294,486,209.28, 406,779,116.40 and 220,017,342.96

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Solution

The fourth proportional to 294,486,209.28, 406,779,116.40 and 220,017,342.96 is: 303,913,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,486,209.28 : 406,779,116.40 = 220,017,342.96 : x
  2. Step 2: Convert to fraction form
    294,486,209.28/406,779,116.40 = 220,017,342.96/x
  3. Step 3: Cross multiply
    294,486,209.28x = 406,779,116.40 × 220,017,342.96
  4. Step 4: Simplify right side
    294,486,209.28x = 89,498,460,361,944,560
  5. Step 5: Solve for x
    x = 89,498,460,361,944,560/294,486,209.28
  6. Step 6: Final answer
    x = 303,913,927.18

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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.