Home / 424,366,850.32-636,550,422.70-190,924,928.48

Finding the Fourth Proportional to 424,366,850.32, 636,550,422.70 and 190,924,928.48

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Solution

The fourth proportional to 424,366,850.32, 636,550,422.70 and 190,924,928.48 is: 286,387,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,366,850.32 : 636,550,422.70 = 190,924,928.48 : x
  2. Step 2: Convert to fraction form
    424,366,850.32/636,550,422.70 = 190,924,928.48/x
  3. Step 3: Cross multiply
    424,366,850.32x = 636,550,422.70 × 190,924,928.48
  4. Step 4: Simplify right side
    424,366,850.32x = 121,533,343,927,911,264
  5. Step 5: Solve for x
    x = 121,533,343,927,911,264/424,366,850.32
  6. Step 6: Final answer
    x = 286,387,458.96

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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.