Home / 261,398,965,023.36-360,721,048,103.28-145,649,744,105.52

Finding the Fourth Proportional to 261,398,965,023.36, 360,721,048,103.28 and 145,649,744,105.52

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Solution

The fourth proportional to 261,398,965,023.36, 360,721,048,103.28 and 145,649,744,105.52 is: 200,991,340,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,398,965,023.36 : 360,721,048,103.28 = 145,649,744,105.52 : x
  2. Step 2: Convert to fraction form
    261,398,965,023.36/360,721,048,103.28 = 145,649,744,105.52/x
  3. Step 3: Cross multiply
    261,398,965,023.36x = 360,721,048,103.28 × 145,649,744,105.52
  4. Step 4: Simplify right side
    261,398,965,023.36x = 52,538,928,349,717,700,018,176
  5. Step 5: Solve for x
    x = 52,538,928,349,717,700,018,176/261,398,965,023.36
  6. Step 6: Final answer
    x = 200,991,340,363.66

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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.