Home / 314,872,782.22-434,681,753.87-195,833,744.06

Finding the Fourth Proportional to 314,872,782.22, 434,681,753.87 and 195,833,744.06

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Solution

The fourth proportional to 314,872,782.22, 434,681,753.87 and 195,833,744.06 is: 270,348,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,872,782.22 : 434,681,753.87 = 195,833,744.06 : x
  2. Step 2: Convert to fraction form
    314,872,782.22/434,681,753.87 = 195,833,744.06/x
  3. Step 3: Cross multiply
    314,872,782.22x = 434,681,753.87 × 195,833,744.06
  4. Step 4: Simplify right side
    314,872,782.22x = 85,125,355,335,037,040
  5. Step 5: Solve for x
    x = 85,125,355,335,037,040/314,872,782.22
  6. Step 6: Final answer
    x = 270,348,407.81

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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.