Home / 261,301,923,603.39-360,548,785,599.21-145,555,802,807.13

Finding the Fourth Proportional to 261,301,923,603.39, 360,548,785,599.21 and 145,555,802,807.13

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Solution

The fourth proportional to 261,301,923,603.39, 360,548,785,599.21 and 145,555,802,807.13 is: 200,840,342,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,301,923,603.39 : 360,548,785,599.21 = 145,555,802,807.13 : x
  2. Step 2: Convert to fraction form
    261,301,923,603.39/360,548,785,599.21 = 145,555,802,807.13/x
  3. Step 3: Cross multiply
    261,301,923,603.39x = 360,548,785,599.21 × 145,555,802,807.13
  4. Step 4: Simplify right side
    261,301,923,603.39x = 52,479,967,939,028,808,892,416
  5. Step 5: Solve for x
    x = 52,479,967,939,028,808,892,416/261,301,923,603.39
  6. Step 6: Final answer
    x = 200,840,342,908.02

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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.