Home / 840,328,674.40-1,260,713,461.20-322,775,999.20

Finding the Fourth Proportional to 840,328,674.40, 1,260,713,461.20 and 322,775,999.20

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Solution

The fourth proportional to 840,328,674.40, 1,260,713,461.20 and 322,775,999.20 is: 484,248,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,328,674.40 : 1,260,713,461.20 = 322,775,999.20 : x
  2. Step 2: Convert to fraction form
    840,328,674.40/1,260,713,461.20 = 322,775,999.20/x
  3. Step 3: Cross multiply
    840,328,674.40x = 1,260,713,461.20 × 322,775,999.20
  4. Step 4: Simplify right side
    840,328,674.40x = 406,928,047,143,720,448
  5. Step 5: Solve for x
    x = 406,928,047,143,720,448/840,328,674.40
  6. Step 6: Final answer
    x = 484,248,675.00

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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.