Home / 456,310,094.95-685,248,440.98-280,082,065.26

Finding the Fourth Proportional to 456,310,094.95, 685,248,440.98 and 280,082,065.26

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Solution

The fourth proportional to 456,310,094.95, 685,248,440.98 and 280,082,065.26 is: 420,603,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,310,094.95 : 685,248,440.98 = 280,082,065.26 : x
  2. Step 2: Convert to fraction form
    456,310,094.95/685,248,440.98 = 280,082,065.26/x
  3. Step 3: Cross multiply
    456,310,094.95x = 685,248,440.98 × 280,082,065.26
  4. Step 4: Simplify right side
    456,310,094.95x = 191,925,798,565,873,632
  5. Step 5: Solve for x
    x = 191,925,798,565,873,632/456,310,094.95
  6. Step 6: Final answer
    x = 420,603,884.70

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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.