Home / 583,460,711.13-805,178,207.25-315,536,543.61

Finding the Fourth Proportional to 583,460,711.13, 805,178,207.25 and 315,536,543.61

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Solution

The fourth proportional to 583,460,711.13, 805,178,207.25 and 315,536,543.61 is: 435,441,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,460,711.13 : 805,178,207.25 = 315,536,543.61 : x
  2. Step 2: Convert to fraction form
    583,460,711.13/805,178,207.25 = 315,536,543.61/x
  3. Step 3: Cross multiply
    583,460,711.13x = 805,178,207.25 × 315,536,543.61
  4. Step 4: Simplify right side
    583,460,711.13x = 254,063,148,505,761,248
  5. Step 5: Solve for x
    x = 254,063,148,505,761,248/583,460,711.13
  6. Step 6: Final answer
    x = 435,441,742.11

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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.