Home / 657,210,719.16-984,363,009.96-449,456,782.68

Finding the Fourth Proportional to 657,210,719.16, 984,363,009.96 and 449,456,782.68

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Solution

The fourth proportional to 657,210,719.16, 984,363,009.96 and 449,456,782.68 is: 673,191,441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,210,719.16 : 984,363,009.96 = 449,456,782.68 : x
  2. Step 2: Convert to fraction form
    657,210,719.16/984,363,009.96 = 449,456,782.68/x
  3. Step 3: Cross multiply
    657,210,719.16x = 984,363,009.96 × 449,456,782.68
  4. Step 4: Simplify right side
    657,210,719.16x = 442,428,631,445,822,400
  5. Step 5: Solve for x
    x = 442,428,631,445,822,400/657,210,719.16
  6. Step 6: Final answer
    x = 673,191,441.57

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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.