Home / 805,130,867.10-1,207,696,300.65-455,017,536.30

Finding the Fourth Proportional to 805,130,867.10, 1,207,696,300.65 and 455,017,536.30

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Solution

The fourth proportional to 805,130,867.10, 1,207,696,300.65 and 455,017,536.30 is: 682,526,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,130,867.10 : 1,207,696,300.65 = 455,017,536.30 : x
  2. Step 2: Convert to fraction form
    805,130,867.10/1,207,696,300.65 = 455,017,536.30/x
  3. Step 3: Cross multiply
    805,130,867.10x = 1,207,696,300.65 × 455,017,536.30
  4. Step 4: Simplify right side
    805,130,867.10x = 549,522,995,320,387,136
  5. Step 5: Solve for x
    x = 549,522,995,320,387,136/805,130,867.10
  6. Step 6: Final answer
    x = 682,526,304.45

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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.