Home / 583,460,711.15-805,178,207.27-315,536,543.63

Finding the Fourth Proportional to 583,460,711.15, 805,178,207.27 and 315,536,543.63

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Solution

The fourth proportional to 583,460,711.15, 805,178,207.27 and 315,536,543.63 is: 435,441,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,460,711.15 : 805,178,207.27 = 315,536,543.63 : x
  2. Step 2: Convert to fraction form
    583,460,711.15/805,178,207.27 = 315,536,543.63/x
  3. Step 3: Cross multiply
    583,460,711.15x = 805,178,207.27 × 315,536,543.63
  4. Step 4: Simplify right side
    583,460,711.15x = 254,063,148,530,977,344
  5. Step 5: Solve for x
    x = 254,063,148,530,977,344/583,460,711.15
  6. Step 6: Final answer
    x = 435,441,742.13

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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.