Home / 989,728,203.64-1,365,801,098.16-549,695,405.56

Finding the Fourth Proportional to 989,728,203.64, 1,365,801,098.16 and 549,695,405.56

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Solution

The fourth proportional to 989,728,203.64, 1,365,801,098.16 and 549,695,405.56 is: 758,566,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,728,203.64 : 1,365,801,098.16 = 549,695,405.56 : x
  2. Step 2: Convert to fraction form
    989,728,203.64/1,365,801,098.16 = 549,695,405.56/x
  3. Step 3: Cross multiply
    989,728,203.64x = 1,365,801,098.16 × 549,695,405.56
  4. Step 4: Simplify right side
    989,728,203.64x = 750,774,588,567,354,496
  5. Step 5: Solve for x
    x = 750,774,588,567,354,496/989,728,203.64
  6. Step 6: Final answer
    x = 758,566,428.45

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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.