Home / 627,263,999.10-940,895,998.65-561,507,032.70

Finding the Fourth Proportional to 627,263,999.10, 940,895,998.65 and 561,507,032.70

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Solution

The fourth proportional to 627,263,999.10, 940,895,998.65 and 561,507,032.70 is: 842,260,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,263,999.10 : 940,895,998.65 = 561,507,032.70 : x
  2. Step 2: Convert to fraction form
    627,263,999.10/940,895,998.65 = 561,507,032.70/x
  3. Step 3: Cross multiply
    627,263,999.10x = 940,895,998.65 × 561,507,032.70
  4. Step 4: Simplify right side
    627,263,999.10x = 528,319,720,281,264,768
  5. Step 5: Solve for x
    x = 528,319,720,281,264,768/627,263,999.10
  6. Step 6: Final answer
    x = 842,260,549.05

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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.