Home / 1,347,280,943.11-2,020,992,785.53-415,243,952.22

Finding the Fourth Proportional to 1,347,280,943.11, 2,020,992,785.53 and 415,243,952.22

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Solution

The fourth proportional to 1,347,280,943.11, 2,020,992,785.53 and 415,243,952.22 is: 622,887,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,280,943.11 : 2,020,992,785.53 = 415,243,952.22 : x
  2. Step 2: Convert to fraction form
    1,347,280,943.11/2,020,992,785.53 = 415,243,952.22/x
  3. Step 3: Cross multiply
    1,347,280,943.11x = 2,020,992,785.53 × 415,243,952.22
  4. Step 4: Simplify right side
    1,347,280,943.11x = 839,205,031,659,402,880
  5. Step 5: Solve for x
    x = 839,205,031,659,402,880/1,347,280,943.11
  6. Step 6: Final answer
    x = 622,887,925.46

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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.