Home / 7,179,018,348.92-9,908,698,316.49-4,209,751,193.72

Finding the Fourth Proportional to 7,179,018,348.92, 9,908,698,316.49 and 4,209,751,193.72

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Solution

The fourth proportional to 7,179,018,348.92, 9,908,698,316.49 and 4,209,751,193.72 is: 5,810,425,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,018,348.92 : 9,908,698,316.49 = 4,209,751,193.72 : x
  2. Step 2: Convert to fraction form
    7,179,018,348.92/9,908,698,316.49 = 4,209,751,193.72/x
  3. Step 3: Cross multiply
    7,179,018,348.92x = 9,908,698,316.49 × 4,209,751,193.72
  4. Step 4: Simplify right side
    7,179,018,348.92x = 41,713,154,566,005,587,968
  5. Step 5: Solve for x
    x = 41,713,154,566,005,587,968/7,179,018,348.92
  6. Step 6: Final answer
    x = 5,810,425,957.79

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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.