Home / 12,528,650,074.08-17,284,643,711.04-7,173,348,345.12

Finding the Fourth Proportional to 12,528,650,074.08, 17,284,643,711.04 and 7,173,348,345.12

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Solution

The fourth proportional to 12,528,650,074.08, 17,284,643,711.04 and 7,173,348,345.12 is: 9,896,418,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,650,074.08 : 17,284,643,711.04 = 7,173,348,345.12 : x
  2. Step 2: Convert to fraction form
    12,528,650,074.08/17,284,643,711.04 = 7,173,348,345.12/x
  3. Step 3: Cross multiply
    12,528,650,074.08x = 17,284,643,711.04 × 7,173,348,345.12
  4. Step 4: Simplify right side
    12,528,650,074.08x = 123,988,770,360,577,605,632
  5. Step 5: Solve for x
    x = 123,988,770,360,577,605,632/12,528,650,074.08
  6. Step 6: Final answer
    x = 9,896,418,977.90

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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.