Home / 1,045,353,730.95-1,568,023,621.08-423,559,789.32

Finding the Fourth Proportional to 1,045,353,730.95, 1,568,023,621.08 and 423,559,789.32

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Solution

The fourth proportional to 1,045,353,730.95, 1,568,023,621.08 and 423,559,789.32 is: 635,336,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,353,730.95 : 1,568,023,621.08 = 423,559,789.32 : x
  2. Step 2: Convert to fraction form
    1,045,353,730.95/1,568,023,621.08 = 423,559,789.32/x
  3. Step 3: Cross multiply
    1,045,353,730.95x = 1,568,023,621.08 × 423,559,789.32
  4. Step 4: Simplify right side
    1,045,353,730.95x = 664,151,754,593,428,224
  5. Step 5: Solve for x
    x = 664,151,754,593,428,224/1,045,353,730.95
  6. Step 6: Final answer
    x = 635,336,857.69

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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.