Home / 293,415,308.70-440,122,963.05-140,360,300.70

Finding the Fourth Proportional to 293,415,308.70, 440,122,963.05 and 140,360,300.70

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Solution

The fourth proportional to 293,415,308.70, 440,122,963.05 and 140,360,300.70 is: 210,540,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,415,308.70 : 440,122,963.05 = 140,360,300.70 : x
  2. Step 2: Convert to fraction form
    293,415,308.70/440,122,963.05 = 140,360,300.70/x
  3. Step 3: Cross multiply
    293,415,308.70x = 440,122,963.05 × 140,360,300.70
  4. Step 4: Simplify right side
    293,415,308.70x = 61,775,791,438,672,984
  5. Step 5: Solve for x
    x = 61,775,791,438,672,984/293,415,308.70
  6. Step 6: Final answer
    x = 210,540,451.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.