Home / 18,930,637,779.50-26,125,049,347.35-10,472,315,727.26

Finding the Fourth Proportional to 18,930,637,779.50, 26,125,049,347.35 and 10,472,315,727.26

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Solution

The fourth proportional to 18,930,637,779.50, 26,125,049,347.35 and 10,472,315,727.26 is: 14,452,221,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930,637,779.50 : 26,125,049,347.35 = 10,472,315,727.26 : x
  2. Step 2: Convert to fraction form
    18,930,637,779.50/26,125,049,347.35 = 10,472,315,727.26/x
  3. Step 3: Cross multiply
    18,930,637,779.50x = 26,125,049,347.35 × 10,472,315,727.26
  4. Step 4: Simplify right side
    18,930,637,779.50x = 273,589,765,155,697,000,448
  5. Step 5: Solve for x
    x = 273,589,765,155,697,000,448/18,930,637,779.50
  6. Step 6: Final answer
    x = 14,452,221,226.90

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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.