Home / 254,934,187,158.72-351,840,028,011.52-145,095,238,982.68

Finding the Fourth Proportional to 254,934,187,158.72, 351,840,028,011.52 and 145,095,238,982.68

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Solution

The fourth proportional to 254,934,187,158.72, 351,840,028,011.52 and 145,095,238,982.68 is: 200,248,987,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,934,187,158.72 : 351,840,028,011.52 = 145,095,238,982.68 : x
  2. Step 2: Convert to fraction form
    254,934,187,158.72/351,840,028,011.52 = 145,095,238,982.68/x
  3. Step 3: Cross multiply
    254,934,187,158.72x = 351,840,028,011.52 × 145,095,238,982.68
  4. Step 4: Simplify right side
    254,934,187,158.72x = 51,050,312,948,004,318,871,552
  5. Step 5: Solve for x
    x = 51,050,312,948,004,318,871,552/254,934,187,158.72
  6. Step 6: Final answer
    x = 200,248,987,854.35

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Double scale
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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.