Home / 555,225,567.22-766,211,291-307,722,864.70

Finding the Fourth Proportional to 555,225,567.22, 766,211,291 and 307,722,864.70

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Solution

The fourth proportional to 555,225,567.22, 766,211,291 and 307,722,864.70 is: 424,657,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,225,567.22 : 766,211,291 = 307,722,864.70 : x
  2. Step 2: Convert to fraction form
    555,225,567.22/766,211,291 = 307,722,864.70/x
  3. Step 3: Cross multiply
    555,225,567.22x = 766,211,291 × 307,722,864.70
  4. Step 4: Simplify right side
    555,225,567.22x = 235,780,733,432,005,312
  5. Step 5: Solve for x
    x = 235,780,733,432,005,312/555,225,567.22
  6. Step 6: Final answer
    x = 424,657,557.85

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1.5x scale

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.