Home / 1,131,042,139.80-1,696,563,209.70-1,049,412,802.20

Finding the Fourth Proportional to 1,131,042,139.80, 1,696,563,209.70 and 1,049,412,802.20

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Solution

The fourth proportional to 1,131,042,139.80, 1,696,563,209.70 and 1,049,412,802.20 is: 1,574,119,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,042,139.80 : 1,696,563,209.70 = 1,049,412,802.20 : x
  2. Step 2: Convert to fraction form
    1,131,042,139.80/1,696,563,209.70 = 1,049,412,802.20/x
  3. Step 3: Cross multiply
    1,131,042,139.80x = 1,696,563,209.70 × 1,049,412,802.20
  4. Step 4: Simplify right side
    1,131,042,139.80x = 1,780,395,152,000,703,232
  5. Step 5: Solve for x
    x = 1,780,395,152,000,703,232/1,131,042,139.80
  6. Step 6: Final answer
    x = 1,574,119,203.30

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Double scale
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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.