Home / 349,221,963.12-523,688,821.38-119,209,574.40

Finding the Fourth Proportional to 349,221,963.12, 523,688,821.38 and 119,209,574.40

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Solution

The fourth proportional to 349,221,963.12, 523,688,821.38 and 119,209,574.40 is: 178,765,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,221,963.12 : 523,688,821.38 = 119,209,574.40 : x
  2. Step 2: Convert to fraction form
    349,221,963.12/523,688,821.38 = 119,209,574.40/x
  3. Step 3: Cross multiply
    349,221,963.12x = 523,688,821.38 × 119,209,574.40
  4. Step 4: Simplify right side
    349,221,963.12x = 62,428,721,514,747,424
  5. Step 5: Solve for x
    x = 62,428,721,514,747,424/349,221,963.12
  6. Step 6: Final answer
    x = 178,765,164.01

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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.