Home / 424,366,827.50-636,550,388.51-190,924,905.67

Finding the Fourth Proportional to 424,366,827.50, 636,550,388.51 and 190,924,905.67

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Solution

The fourth proportional to 424,366,827.50, 636,550,388.51 and 190,924,905.67 is: 286,387,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,366,827.50 : 636,550,388.51 = 190,924,905.67 : x
  2. Step 2: Convert to fraction form
    424,366,827.50/636,550,388.51 = 190,924,905.67/x
  3. Step 3: Cross multiply
    424,366,827.50x = 636,550,388.51 × 190,924,905.67
  4. Step 4: Simplify right side
    424,366,827.50x = 121,533,322,877,927,600
  5. Step 5: Solve for x
    x = 121,533,322,877,927,600/424,366,827.50
  6. Step 6: Final answer
    x = 286,387,424.75

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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.