Home / 1,283,308,961.40-1,924,963,442.10-313,960,577.40

Finding the Fourth Proportional to 1,283,308,961.40, 1,924,963,442.10 and 313,960,577.40

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Solution

The fourth proportional to 1,283,308,961.40, 1,924,963,442.10 and 313,960,577.40 is: 470,940,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,308,961.40 : 1,924,963,442.10 = 313,960,577.40 : x
  2. Step 2: Convert to fraction form
    1,283,308,961.40/1,924,963,442.10 = 313,960,577.40/x
  3. Step 3: Cross multiply
    1,283,308,961.40x = 1,924,963,442.10 × 313,960,577.40
  4. Step 4: Simplify right side
    1,283,308,961.40x = 604,362,633,755,607,424
  5. Step 5: Solve for x
    x = 604,362,633,755,607,424/1,283,308,961.40
  6. Step 6: Final answer
    x = 470,940,866.10

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Half scale
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Double scale
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Similar ratio
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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.