Home / 405,985,795.93-560,265,773.12-220,349,036.89

Finding the Fourth Proportional to 405,985,795.93, 560,265,773.12 and 220,349,036.89

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Solution

The fourth proportional to 405,985,795.93, 560,265,773.12 and 220,349,036.89 is: 304,084,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,985,795.93 : 560,265,773.12 = 220,349,036.89 : x
  2. Step 2: Convert to fraction form
    405,985,795.93/560,265,773.12 = 220,349,036.89/x
  3. Step 3: Cross multiply
    405,985,795.93x = 560,265,773.12 × 220,349,036.89
  4. Step 4: Simplify right side
    405,985,795.93x = 123,454,023,509,423,248
  5. Step 5: Solve for x
    x = 123,454,023,509,423,248/405,985,795.93
  6. Step 6: Final answer
    x = 304,084,588.05

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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.