Home / 288,304,547.13-397,895,231.61-162,862,032.51

Finding the Fourth Proportional to 288,304,547.13, 397,895,231.61 and 162,862,032.51

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Solution

The fourth proportional to 288,304,547.13, 397,895,231.61 and 162,862,032.51 is: 224,769,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,304,547.13 : 397,895,231.61 = 162,862,032.51 : x
  2. Step 2: Convert to fraction form
    288,304,547.13/397,895,231.61 = 162,862,032.51/x
  3. Step 3: Cross multiply
    288,304,547.13x = 397,895,231.61 × 162,862,032.51
  4. Step 4: Simplify right side
    288,304,547.13x = 64,802,026,146,041,800
  5. Step 5: Solve for x
    x = 64,802,026,146,041,800/288,304,547.13
  6. Step 6: Final answer
    x = 224,769,351.68

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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.