Home / 78,046,354,387.37-117,046,820,298.96-30,228,698,669

Finding the Fourth Proportional to 78,046,354,387.37, 117,046,820,298.96 and 30,228,698,669

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Solution

The fourth proportional to 78,046,354,387.37, 117,046,820,298.96 and 30,228,698,669 is: 45,334,251,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,046,354,387.37 : 117,046,820,298.96 = 30,228,698,669 : x
  2. Step 2: Convert to fraction form
    78,046,354,387.37/117,046,820,298.96 = 30,228,698,669/x
  3. Step 3: Cross multiply
    78,046,354,387.37x = 117,046,820,298.96 × 30,228,698,669
  4. Step 4: Simplify right side
    78,046,354,387.37x = 3,538,173,060,981,854,306,304
  5. Step 5: Solve for x
    x = 3,538,173,060,981,854,306,304/78,046,354,387.37
  6. Step 6: Final answer
    x = 45,334,251,532.37

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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.