Home / 373,248,047.20-559,872,070.80-257,989,064.80

Finding the Fourth Proportional to 373,248,047.20, 559,872,070.80 and 257,989,064.80

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Solution

The fourth proportional to 373,248,047.20, 559,872,070.80 and 257,989,064.80 is: 386,983,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,047.20 : 559,872,070.80 = 257,989,064.80 : x
  2. Step 2: Convert to fraction form
    373,248,047.20/559,872,070.80 = 257,989,064.80/x
  3. Step 3: Cross multiply
    373,248,047.20x = 559,872,070.80 × 257,989,064.80
  4. Step 4: Simplify right side
    373,248,047.20x = 144,440,871,953,331,392
  5. Step 5: Solve for x
    x = 144,440,871,953,331,392/373,248,047.20
  6. Step 6: Final answer
    x = 386,983,597.20

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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.