Home / 1,907,241,449.52-2,631,401,664.12-1,113,715,009.20

Finding the Fourth Proportional to 1,907,241,449.52, 2,631,401,664.12 and 1,113,715,009.20

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Solution

The fourth proportional to 1,907,241,449.52, 2,631,401,664.12 and 1,113,715,009.20 is: 1,536,581,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,241,449.52 : 2,631,401,664.12 = 1,113,715,009.20 : x
  2. Step 2: Convert to fraction form
    1,907,241,449.52/2,631,401,664.12 = 1,113,715,009.20/x
  3. Step 3: Cross multiply
    1,907,241,449.52x = 2,631,401,664.12 × 1,113,715,009.20
  4. Step 4: Simplify right side
    1,907,241,449.52x = 2,930,631,528,564,301,312
  5. Step 5: Solve for x
    x = 2,930,631,528,564,301,312/1,907,241,449.52
  6. Step 6: Final answer
    x = 1,536,581,290.90

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1.5x scale

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.