Home / 579,402,209.80-869,103,314.70-307,304,417.80

Finding the Fourth Proportional to 579,402,209.80, 869,103,314.70 and 307,304,417.80

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Solution

The fourth proportional to 579,402,209.80, 869,103,314.70 and 307,304,417.80 is: 460,956,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,402,209.80 : 869,103,314.70 = 307,304,417.80 : x
  2. Step 2: Convert to fraction form
    579,402,209.80/869,103,314.70 = 307,304,417.80/x
  3. Step 3: Cross multiply
    579,402,209.80x = 869,103,314.70 × 307,304,417.80
  4. Step 4: Simplify right side
    579,402,209.80x = 267,079,288,131,933,696
  5. Step 5: Solve for x
    x = 267,079,288,131,933,696/579,402,209.80
  6. Step 6: Final answer
    x = 460,956,626.70

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Half scale
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Double scale
Find fourth proportional to 579,402,210.80, 869,103,316.20 and 307,304,418.80
Similar ratio
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1.5x scale

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.