Home / 2,139,814,333.28-3,210,486,064.17-1,301,163,349.22

Finding the Fourth Proportional to 2,139,814,333.28, 3,210,486,064.17 and 1,301,163,349.22

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Solution

The fourth proportional to 2,139,814,333.28, 3,210,486,064.17 and 1,301,163,349.22 is: 1,952,209,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,814,333.28 : 3,210,486,064.17 = 1,301,163,349.22 : x
  2. Step 2: Convert to fraction form
    2,139,814,333.28/3,210,486,064.17 = 1,301,163,349.22/x
  3. Step 3: Cross multiply
    2,139,814,333.28x = 3,210,486,064.17 × 1,301,163,349.22
  4. Step 4: Simplify right side
    2,139,814,333.28x = 4,177,366,799,879,572,992
  5. Step 5: Solve for x
    x = 4,177,366,799,879,572,992/2,139,814,333.28
  6. Step 6: Final answer
    x = 1,952,209,934.72

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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.