Home / 424,366,852.82-636,550,426.44-190,924,930.98

Finding the Fourth Proportional to 424,366,852.82, 636,550,426.44 and 190,924,930.98

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Solution

The fourth proportional to 424,366,852.82, 636,550,426.44 and 190,924,930.98 is: 286,387,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,366,852.82 : 636,550,426.44 = 190,924,930.98 : x
  2. Step 2: Convert to fraction form
    424,366,852.82/636,550,426.44 = 190,924,930.98/x
  3. Step 3: Cross multiply
    424,366,852.82x = 636,550,426.44 × 190,924,930.98
  4. Step 4: Simplify right side
    424,366,852.82x = 121,533,346,233,346,576
  5. Step 5: Solve for x
    x = 121,533,346,233,346,576/424,366,852.82
  6. Step 6: Final answer
    x = 286,387,462.70

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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.