Home / 732,803,911.70-1,099,205,867.55-388,430,143.70

Finding the Fourth Proportional to 732,803,911.70, 1,099,205,867.55 and 388,430,143.70

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Solution

The fourth proportional to 732,803,911.70, 1,099,205,867.55 and 388,430,143.70 is: 582,645,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,803,911.70 : 1,099,205,867.55 = 388,430,143.70 : x
  2. Step 2: Convert to fraction form
    732,803,911.70/1,099,205,867.55 = 388,430,143.70/x
  3. Step 3: Cross multiply
    732,803,911.70x = 1,099,205,867.55 × 388,430,143.70
  4. Step 4: Simplify right side
    732,803,911.70x = 426,964,693,088,329,664
  5. Step 5: Solve for x
    x = 426,964,693,088,329,664/732,803,911.70
  6. Step 6: Final answer
    x = 582,645,215.55

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Double scale
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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.