Home / 1,283,309,248.40-1,924,963,872.60-313,960,864.40

Finding the Fourth Proportional to 1,283,309,248.40, 1,924,963,872.60 and 313,960,864.40

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Solution

The fourth proportional to 1,283,309,248.40, 1,924,963,872.60 and 313,960,864.40 is: 470,941,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,309,248.40 : 1,924,963,872.60 = 313,960,864.40 : x
  2. Step 2: Convert to fraction form
    1,283,309,248.40/1,924,963,872.60 = 313,960,864.40/x
  3. Step 3: Cross multiply
    1,283,309,248.40x = 1,924,963,872.60 × 313,960,864.40
  4. Step 4: Simplify right side
    1,283,309,248.40x = 604,363,321,380,267,392
  5. Step 5: Solve for x
    x = 604,363,321,380,267,392/1,283,309,248.40
  6. Step 6: Final answer
    x = 470,941,296.60

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Double scale
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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.