Home / 1,180,955,910.20-1,771,424,534.10-307,555,590.20

Finding the Fourth Proportional to 1,180,955,910.20, 1,771,424,534.10 and 307,555,590.20

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Solution

The fourth proportional to 1,180,955,910.20, 1,771,424,534.10 and 307,555,590.20 is: 461,330,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,955,910.20 : 1,771,424,534.10 = 307,555,590.20 : x
  2. Step 2: Convert to fraction form
    1,180,955,910.20/1,771,424,534.10 = 307,555,590.20/x
  3. Step 3: Cross multiply
    1,180,955,910.20x = 1,771,424,534.10 × 307,555,590.20
  4. Step 4: Simplify right side
    1,180,955,910.20x = 544,811,518,079,885,504
  5. Step 5: Solve for x
    x = 544,811,518,079,885,504/1,180,955,910.20
  6. Step 6: Final answer
    x = 461,330,955.18

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Half scale
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Double scale
Find fourth proportional to 1,180,955,911.20, 1,771,424,535.60 and 307,555,591.20
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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.