Home / 1,120,293,085.80-1,680,439,628.70-793,138,006.20

Finding the Fourth Proportional to 1,120,293,085.80, 1,680,439,628.70 and 793,138,006.20

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Solution

The fourth proportional to 1,120,293,085.80, 1,680,439,628.70 and 793,138,006.20 is: 1,189,707,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,293,085.80 : 1,680,439,628.70 = 793,138,006.20 : x
  2. Step 2: Convert to fraction form
    1,120,293,085.80/1,680,439,628.70 = 793,138,006.20/x
  3. Step 3: Cross multiply
    1,120,293,085.80x = 1,680,439,628.70 × 793,138,006.20
  4. Step 4: Simplify right side
    1,120,293,085.80x = 1,332,820,536,646,586,368
  5. Step 5: Solve for x
    x = 1,332,820,536,646,586,368/1,120,293,085.80
  6. Step 6: Final answer
    x = 1,189,707,009.30

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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.