Home / 405,522,044.94-559,631,425.86-229,336,386.96

Finding the Fourth Proportional to 405,522,044.94, 559,631,425.86 and 229,336,386.96

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Solution

The fourth proportional to 405,522,044.94, 559,631,425.86 and 229,336,386.96 is: 316,490,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,522,044.94 : 559,631,425.86 = 229,336,386.96 : x
  2. Step 2: Convert to fraction form
    405,522,044.94/559,631,425.86 = 229,336,386.96/x
  3. Step 3: Cross multiply
    405,522,044.94x = 559,631,425.86 × 229,336,386.96
  4. Step 4: Simplify right side
    405,522,044.94x = 128,343,849,236,005,520
  5. Step 5: Solve for x
    x = 128,343,849,236,005,520/405,522,044.94
  6. Step 6: Final answer
    x = 316,490,437.05

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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.