Home / 2,130,042,689.20-2,939,402,525.16-1,190,253,053.62

Finding the Fourth Proportional to 2,130,042,689.20, 2,939,402,525.16 and 1,190,253,053.62

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Solution

The fourth proportional to 2,130,042,689.20, 2,939,402,525.16 and 1,190,253,053.62 is: 1,642,517,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,042,689.20 : 2,939,402,525.16 = 1,190,253,053.62 : x
  2. Step 2: Convert to fraction form
    2,130,042,689.20/2,939,402,525.16 = 1,190,253,053.62/x
  3. Step 3: Cross multiply
    2,130,042,689.20x = 2,939,402,525.16 × 1,190,253,053.62
  4. Step 4: Simplify right side
    2,130,042,689.20x = 3,498,632,831,390,028,288
  5. Step 5: Solve for x
    x = 3,498,632,831,390,028,288/2,130,042,689.20
  6. Step 6: Final answer
    x = 1,642,517,705.93

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Double scale
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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.