Home / 1,129,450,762.20-1,558,826,894.28-940,980,194.28

Finding the Fourth Proportional to 1,129,450,762.20, 1,558,826,894.28 and 940,980,194.28

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Solution

The fourth proportional to 1,129,450,762.20, 1,558,826,894.28 and 940,980,194.28 is: 1,298,706,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,450,762.20 : 1,558,826,894.28 = 940,980,194.28 : x
  2. Step 2: Convert to fraction form
    1,129,450,762.20/1,558,826,894.28 = 940,980,194.28/x
  3. Step 3: Cross multiply
    1,129,450,762.20x = 1,558,826,894.28 × 940,980,194.28
  4. Step 4: Simplify right side
    1,129,450,762.20x = 1,466,825,233,828,483,328
  5. Step 5: Solve for x
    x = 1,466,825,233,828,483,328/1,129,450,762.20
  6. Step 6: Final answer
    x = 1,298,706,666.04

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Double scale
Find fourth proportional to 1,129,450,763.20, 1,558,826,895.66 and 940,980,195.28
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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.