Home / 1,535,839,623.81-2,119,443,591.87-830,976,139.49

Finding the Fourth Proportional to 1,535,839,623.81, 2,119,443,591.87 and 830,976,139.49

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Solution

The fourth proportional to 1,535,839,623.81, 2,119,443,591.87 and 830,976,139.49 is: 1,146,738,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,839,623.81 : 2,119,443,591.87 = 830,976,139.49 : x
  2. Step 2: Convert to fraction form
    1,535,839,623.81/2,119,443,591.87 = 830,976,139.49/x
  3. Step 3: Cross multiply
    1,535,839,623.81x = 2,119,443,591.87 × 830,976,139.49
  4. Step 4: Simplify right side
    1,535,839,623.81x = 1,761,207,053,828,354,560
  5. Step 5: Solve for x
    x = 1,761,207,053,828,354,560/1,535,839,623.81
  6. Step 6: Final answer
    x = 1,146,738,908.49

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Double scale
Find fourth proportional to 1,535,839,624.81, 2,119,443,593.25 and 830,976,140.49
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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.