Home / 373,248,021.40-559,872,032.10-209,989,346.20

Finding the Fourth Proportional to 373,248,021.40, 559,872,032.10 and 209,989,346.20

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Solution

The fourth proportional to 373,248,021.40, 559,872,032.10 and 209,989,346.20 is: 314,984,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,021.40 : 559,872,032.10 = 209,989,346.20 : x
  2. Step 2: Convert to fraction form
    373,248,021.40/559,872,032.10 = 209,989,346.20/x
  3. Step 3: Cross multiply
    373,248,021.40x = 559,872,032.10 × 209,989,346.20
  4. Step 4: Simplify right side
    373,248,021.40x = 117,567,161,976,344,416
  5. Step 5: Solve for x
    x = 117,567,161,976,344,416/373,248,021.40
  6. Step 6: Final answer
    x = 314,984,019.30

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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.