Home / 1,283,308,032.20-1,924,962,048.30-313,959,648.20

Finding the Fourth Proportional to 1,283,308,032.20, 1,924,962,048.30 and 313,959,648.20

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Solution

The fourth proportional to 1,283,308,032.20, 1,924,962,048.30 and 313,959,648.20 is: 470,939,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,308,032.20 : 1,924,962,048.30 = 313,959,648.20 : x
  2. Step 2: Convert to fraction form
    1,283,308,032.20/1,924,962,048.30 = 313,959,648.20/x
  3. Step 3: Cross multiply
    1,283,308,032.20x = 1,924,962,048.30 × 313,959,648.20
  4. Step 4: Simplify right side
    1,283,308,032.20x = 604,360,407,482,619,392
  5. Step 5: Solve for x
    x = 604,360,407,482,619,392/1,283,308,032.20
  6. Step 6: Final answer
    x = 470,939,472.30

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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.