Home / 2,115,477,070.67-3,173,229,128.12-621,502,504.08

Finding the Fourth Proportional to 2,115,477,070.67, 3,173,229,128.12 and 621,502,504.08

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Solution

The fourth proportional to 2,115,477,070.67, 3,173,229,128.12 and 621,502,504.08 is: 932,257,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,477,070.67 : 3,173,229,128.12 = 621,502,504.08 : x
  2. Step 2: Convert to fraction form
    2,115,477,070.67/3,173,229,128.12 = 621,502,504.08/x
  3. Step 3: Cross multiply
    2,115,477,070.67x = 3,173,229,128.12 × 621,502,504.08
  4. Step 4: Simplify right side
    2,115,477,070.67x = 1,972,169,849,146,175,232
  5. Step 5: Solve for x
    x = 1,972,169,849,146,175,232/2,115,477,070.67
  6. Step 6: Final answer
    x = 932,257,728.76

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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.