Home / 8,999,506,398.47-12,419,314,510.28-5,382,530,074.35

Finding the Fourth Proportional to 8,999,506,398.47, 12,419,314,510.28 and 5,382,530,074.35

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Solution

The fourth proportional to 8,999,506,398.47, 12,419,314,510.28 and 5,382,530,074.35 is: 7,427,888,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999,506,398.47 : 12,419,314,510.28 = 5,382,530,074.35 : x
  2. Step 2: Convert to fraction form
    8,999,506,398.47/12,419,314,510.28 = 5,382,530,074.35/x
  3. Step 3: Cross multiply
    8,999,506,398.47x = 12,419,314,510.28 × 5,382,530,074.35
  4. Step 4: Simplify right side
    8,999,506,398.47x = 66,847,333,854,366,531,584
  5. Step 5: Solve for x
    x = 66,847,333,854,366,531,584/8,999,506,398.47
  6. Step 6: Final answer
    x = 7,427,888,919.08

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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.