Home / 826,003,550.40-1,139,849,980.02-449,652,314.04

Finding the Fourth Proportional to 826,003,550.40, 1,139,849,980.02 and 449,652,314.04

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Solution

The fourth proportional to 826,003,550.40, 1,139,849,980.02 and 449,652,314.04 is: 620,501,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,003,550.40 : 1,139,849,980.02 = 449,652,314.04 : x
  2. Step 2: Convert to fraction form
    826,003,550.40/1,139,849,980.02 = 449,652,314.04/x
  3. Step 3: Cross multiply
    826,003,550.40x = 1,139,849,980.02 × 449,652,314.04
  4. Step 4: Simplify right side
    826,003,550.40x = 512,536,181,174,440,768
  5. Step 5: Solve for x
    x = 512,536,181,174,440,768/826,003,550.40
  6. Step 6: Final answer
    x = 620,501,184.20

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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.