Home / 8,215,208,172.81-12,319,671,036.15-4,482,504,454.77

Finding the Fourth Proportional to 8,215,208,172.81, 12,319,671,036.15 and 4,482,504,454.77

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Solution

The fourth proportional to 8,215,208,172.81, 12,319,671,036.15 and 4,482,504,454.77 is: 6,722,042,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,208,172.81 : 12,319,671,036.15 = 4,482,504,454.77 : x
  2. Step 2: Convert to fraction form
    8,215,208,172.81/12,319,671,036.15 = 4,482,504,454.77/x
  3. Step 3: Cross multiply
    8,215,208,172.81x = 12,319,671,036.15 × 4,482,504,454.77
  4. Step 4: Simplify right side
    8,215,208,172.81x = 55,222,980,300,843,319,296
  5. Step 5: Solve for x
    x = 55,222,980,300,843,319,296/8,215,208,172.81
  6. Step 6: Final answer
    x = 6,722,042,721.16

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1.5x scale

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.