Home / 579,402,238.80-869,103,358.20-307,304,446.80

Finding the Fourth Proportional to 579,402,238.80, 869,103,358.20 and 307,304,446.80

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Solution

The fourth proportional to 579,402,238.80, 869,103,358.20 and 307,304,446.80 is: 460,956,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,402,238.80 : 869,103,358.20 = 307,304,446.80 : x
  2. Step 2: Convert to fraction form
    579,402,238.80/869,103,358.20 = 307,304,446.80/x
  3. Step 3: Cross multiply
    579,402,238.80x = 869,103,358.20 × 307,304,446.80
  4. Step 4: Simplify right side
    579,402,238.80x = 267,079,326,703,673,280
  5. Step 5: Solve for x
    x = 267,079,326,703,673,280/579,402,238.80
  6. Step 6: Final answer
    x = 460,956,670.20

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Double scale
Find fourth proportional to 579,402,239.80, 869,103,359.70 and 307,304,447.80
Similar ratio
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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.