Home / 876,300,084.36-1,312,363,482.50-507,056,867.73

Finding the Fourth Proportional to 876,300,084.36, 1,312,363,482.50 and 507,056,867.73

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Solution

The fourth proportional to 876,300,084.36, 1,312,363,482.50 and 507,056,867.73 is: 759,377,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,300,084.36 : 1,312,363,482.50 = 507,056,867.73 : x
  2. Step 2: Convert to fraction form
    876,300,084.36/1,312,363,482.50 = 507,056,867.73/x
  3. Step 3: Cross multiply
    876,300,084.36x = 1,312,363,482.50 × 507,056,867.73
  4. Step 4: Simplify right side
    876,300,084.36x = 665,442,916,760,952,320
  5. Step 5: Solve for x
    x = 665,442,916,760,952,320/876,300,084.36
  6. Step 6: Final answer
    x = 759,377,898.78

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Double scale
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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.