Home / 1,332,274,437.28-1,838,731,129.44-767,651,221.60

Finding the Fourth Proportional to 1,332,274,437.28, 1,838,731,129.44 and 767,651,221.60

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Solution

The fourth proportional to 1,332,274,437.28, 1,838,731,129.44 and 767,651,221.60 is: 1,059,469,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,274,437.28 : 1,838,731,129.44 = 767,651,221.60 : x
  2. Step 2: Convert to fraction form
    1,332,274,437.28/1,838,731,129.44 = 767,651,221.60/x
  3. Step 3: Cross multiply
    1,332,274,437.28x = 1,838,731,129.44 × 767,651,221.60
  4. Step 4: Simplify right side
    1,332,274,437.28x = 1,411,504,197,708,563,712
  5. Step 5: Solve for x
    x = 1,411,504,197,708,563,712/1,332,274,437.28
  6. Step 6: Final answer
    x = 1,059,469,549.37

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Half scale
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Double scale
Find fourth proportional to 1,332,274,438.28, 1,838,731,130.82 and 767,651,222.60
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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.