Home / 872,987,811.48-1,204,543,340.10-501,638,098.32

Finding the Fourth Proportional to 872,987,811.48, 1,204,543,340.10 and 501,638,098.32

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Solution

The fourth proportional to 872,987,811.48, 1,204,543,340.10 and 501,638,098.32 is: 692,157,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,987,811.48 : 1,204,543,340.10 = 501,638,098.32 : x
  2. Step 2: Convert to fraction form
    872,987,811.48/1,204,543,340.10 = 501,638,098.32/x
  3. Step 3: Cross multiply
    872,987,811.48x = 1,204,543,340.10 × 501,638,098.32
  4. Step 4: Simplify right side
    872,987,811.48x = 604,244,830,471,784,960
  5. Step 5: Solve for x
    x = 604,244,830,471,784,960/872,987,811.48
  6. Step 6: Final answer
    x = 692,157,235.79

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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.