Home / 261,301,923,597.39-360,548,785,590.93-145,555,802,801.13

Finding the Fourth Proportional to 261,301,923,597.39, 360,548,785,590.93 and 145,555,802,801.13

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Solution

The fourth proportional to 261,301,923,597.39, 360,548,785,590.93 and 145,555,802,801.13 is: 200,840,342,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,301,923,597.39 : 360,548,785,590.93 = 145,555,802,801.13 : x
  2. Step 2: Convert to fraction form
    261,301,923,597.39/360,548,785,590.93 = 145,555,802,801.13/x
  3. Step 3: Cross multiply
    261,301,923,597.39x = 360,548,785,590.93 × 145,555,802,801.13
  4. Step 4: Simplify right side
    261,301,923,597.39x = 52,479,967,935,660,313,018,368
  5. Step 5: Solve for x
    x = 52,479,967,935,660,313,018,368/261,301,923,597.39
  6. Step 6: Final answer
    x = 200,840,342,899.74

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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.