Home / 1,169,312,479.54-1,613,253,969.54-667,160,521.65

Finding the Fourth Proportional to 1,169,312,479.54, 1,613,253,969.54 and 667,160,521.65

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Solution

The fourth proportional to 1,169,312,479.54, 1,613,253,969.54 and 667,160,521.65 is: 920,454,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,312,479.54 : 1,613,253,969.54 = 667,160,521.65 : x
  2. Step 2: Convert to fraction form
    1,169,312,479.54/1,613,253,969.54 = 667,160,521.65/x
  3. Step 3: Cross multiply
    1,169,312,479.54x = 1,613,253,969.54 × 667,160,521.65
  4. Step 4: Simplify right side
    1,169,312,479.54x = 1,076,299,359,872,239,488
  5. Step 5: Solve for x
    x = 1,076,299,359,872,239,488/1,169,312,479.54
  6. Step 6: Final answer
    x = 920,454,864.47

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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.