Home / 1,255,308,682.20-1,731,604,617.18-784,593,084.12

Finding the Fourth Proportional to 1,255,308,682.20, 1,731,604,617.18 and 784,593,084.12

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Solution

The fourth proportional to 1,255,308,682.20, 1,731,604,617.18 and 784,593,084.12 is: 1,082,287,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,308,682.20 : 1,731,604,617.18 = 784,593,084.12 : x
  2. Step 2: Convert to fraction form
    1,255,308,682.20/1,731,604,617.18 = 784,593,084.12/x
  3. Step 3: Cross multiply
    1,255,308,682.20x = 1,731,604,617.18 × 784,593,084.12
  4. Step 4: Simplify right side
    1,255,308,682.20x = 1,358,605,007,069,688,320
  5. Step 5: Solve for x
    x = 1,358,605,007,069,688,320/1,255,308,682.20
  6. Step 6: Final answer
    x = 1,082,287,588.97

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Double scale
Find fourth proportional to 1,255,308,683.20, 1,731,604,618.56 and 784,593,085.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.