Home / 547,319,471.18-755,300,630.96-296,423,875.69

Finding the Fourth Proportional to 547,319,471.18, 755,300,630.96 and 296,423,875.69

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Solution

The fourth proportional to 547,319,471.18, 755,300,630.96 and 296,423,875.69 is: 409,064,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,319,471.18 : 755,300,630.96 = 296,423,875.69 : x
  2. Step 2: Convert to fraction form
    547,319,471.18/755,300,630.96 = 296,423,875.69/x
  3. Step 3: Cross multiply
    547,319,471.18x = 755,300,630.96 × 296,423,875.69
  4. Step 4: Simplify right side
    547,319,471.18x = 223,889,140,340,265,600
  5. Step 5: Solve for x
    x = 223,889,140,340,265,600/547,319,471.18
  6. Step 6: Final answer
    x = 409,064,818.87

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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.