Home / 405,988,943.83-560,168,714.41-229,776,934.02

Finding the Fourth Proportional to 405,988,943.83, 560,168,714.41 and 229,776,934.02

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Solution

The fourth proportional to 405,988,943.83, 560,168,714.41 and 229,776,934.02 is: 317,037,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,988,943.83 : 560,168,714.41 = 229,776,934.02 : x
  2. Step 2: Convert to fraction form
    405,988,943.83/560,168,714.41 = 229,776,934.02/x
  3. Step 3: Cross multiply
    405,988,943.83x = 560,168,714.41 × 229,776,934.02
  4. Step 4: Simplify right side
    405,988,943.83x = 128,713,849,728,253,936
  5. Step 5: Solve for x
    x = 128,713,849,728,253,936/405,988,943.83
  6. Step 6: Final answer
    x = 317,037,820.08

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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.