Home / 768,734,071.71-1,154,940,675.30-492,925,656.95

Finding the Fourth Proportional to 768,734,071.71, 1,154,940,675.30 and 492,925,656.95

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Solution

The fourth proportional to 768,734,071.71, 1,154,940,675.30 and 492,925,656.95 is: 740,568,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,734,071.71 : 1,154,940,675.30 = 492,925,656.95 : x
  2. Step 2: Convert to fraction form
    768,734,071.71/1,154,940,675.30 = 492,925,656.95/x
  3. Step 3: Cross multiply
    768,734,071.71x = 1,154,940,675.30 × 492,925,656.95
  4. Step 4: Simplify right side
    768,734,071.71x = 569,299,891,109,085,440
  5. Step 5: Solve for x
    x = 569,299,891,109,085,440/768,734,071.71
  6. Step 6: Final answer
    x = 740,568,048.25

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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.