Home / 1,279,806,328.80-1,916,839,711.80-1,050,223,816.80

Finding the Fourth Proportional to 1,279,806,328.80, 1,916,839,711.80 and 1,050,223,816.80

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Solution

The fourth proportional to 1,279,806,328.80, 1,916,839,711.80 and 1,050,223,816.80 is: 1,572,980,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,806,328.80 : 1,916,839,711.80 = 1,050,223,816.80 : x
  2. Step 2: Convert to fraction form
    1,279,806,328.80/1,916,839,711.80 = 1,050,223,816.80/x
  3. Step 3: Cross multiply
    1,279,806,328.80x = 1,916,839,711.80 × 1,050,223,816.80
  4. Step 4: Simplify right side
    1,279,806,328.80x = 2,013,110,718,320,407,808
  5. Step 5: Solve for x
    x = 2,013,110,718,320,407,808/1,279,806,328.80
  6. Step 6: Final answer
    x = 1,572,980,749.52

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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.