Home / 19,291,965,547.02-28,928,012,261.97-8,659,074,549.66

Finding the Fourth Proportional to 19,291,965,547.02, 28,928,012,261.97 and 8,659,074,549.66

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Solution

The fourth proportional to 19,291,965,547.02, 28,928,012,261.97 and 8,659,074,549.66 is: 12,984,152,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291,965,547.02 : 28,928,012,261.97 = 8,659,074,549.66 : x
  2. Step 2: Convert to fraction form
    19,291,965,547.02/28,928,012,261.97 = 8,659,074,549.66/x
  3. Step 3: Cross multiply
    19,291,965,547.02x = 28,928,012,261.97 × 8,659,074,549.66
  4. Step 4: Simplify right side
    19,291,965,547.02x = 250,489,814,749,876,846,592
  5. Step 5: Solve for x
    x = 250,489,814,749,876,846,592/19,291,965,547.02
  6. Step 6: Final answer
    x = 12,984,152,088.57

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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.