Home / 253,456,006.40-380,184,009.60-202,437,670.40

Finding the Fourth Proportional to 253,456,006.40, 380,184,009.60 and 202,437,670.40

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Solution

The fourth proportional to 253,456,006.40, 380,184,009.60 and 202,437,670.40 is: 303,656,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,456,006.40 : 380,184,009.60 = 202,437,670.40 : x
  2. Step 2: Convert to fraction form
    253,456,006.40/380,184,009.60 = 202,437,670.40/x
  3. Step 3: Cross multiply
    253,456,006.40x = 380,184,009.60 × 202,437,670.40
  4. Step 4: Simplify right side
    253,456,006.40x = 76,963,565,226,755,248
  5. Step 5: Solve for x
    x = 76,963,565,226,755,248/253,456,006.40
  6. Step 6: Final answer
    x = 303,656,505.60

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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.