Home / 1,872,828,710.91-2,808,403,431-1,116,010,114.20

Finding the Fourth Proportional to 1,872,828,710.91, 2,808,403,431 and 1,116,010,114.20

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Solution

The fourth proportional to 1,872,828,710.91, 2,808,403,431 and 1,116,010,114.20 is: 1,673,514,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,828,710.91 : 2,808,403,431 = 1,116,010,114.20 : x
  2. Step 2: Convert to fraction form
    1,872,828,710.91/2,808,403,431 = 1,116,010,114.20/x
  3. Step 3: Cross multiply
    1,872,828,710.91x = 2,808,403,431 × 1,116,010,114.20
  4. Step 4: Simplify right side
    1,872,828,710.91x = 3,134,206,633,749,982,208
  5. Step 5: Solve for x
    x = 3,134,206,633,749,982,208/1,872,828,710.91
  6. Step 6: Final answer
    x = 1,673,514,836.40

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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.