Home / 1,283,308,085.20-1,924,962,127.80-313,959,701.20

Finding the Fourth Proportional to 1,283,308,085.20, 1,924,962,127.80 and 313,959,701.20

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Solution

The fourth proportional to 1,283,308,085.20, 1,924,962,127.80 and 313,959,701.20 is: 470,939,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,308,085.20 : 1,924,962,127.80 = 313,959,701.20 : x
  2. Step 2: Convert to fraction form
    1,283,308,085.20/1,924,962,127.80 = 313,959,701.20/x
  3. Step 3: Cross multiply
    1,283,308,085.20x = 1,924,962,127.80 × 313,959,701.20
  4. Step 4: Simplify right side
    1,283,308,085.20x = 604,360,534,465,404,160
  5. Step 5: Solve for x
    x = 604,360,534,465,404,160/1,283,308,085.20
  6. Step 6: Final answer
    x = 470,939,551.80

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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.