Home / 784,945,715.16-1,083,176,279.61-432,501,982.77

Finding the Fourth Proportional to 784,945,715.16, 1,083,176,279.61 and 432,501,982.77

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Solution

The fourth proportional to 784,945,715.16, 1,083,176,279.61 and 432,501,982.77 is: 596,825,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,945,715.16 : 1,083,176,279.61 = 432,501,982.77 : x
  2. Step 2: Convert to fraction form
    784,945,715.16/1,083,176,279.61 = 432,501,982.77/x
  3. Step 3: Cross multiply
    784,945,715.16x = 1,083,176,279.61 × 432,501,982.77
  4. Step 4: Simplify right side
    784,945,715.16x = 468,475,888,620,756,864
  5. Step 5: Solve for x
    x = 468,475,888,620,756,864/784,945,715.16
  6. Step 6: Final answer
    x = 596,825,843.59

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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.