Home / 1,279,806,313.30-1,916,839,688.55-1,050,223,801.30

Finding the Fourth Proportional to 1,279,806,313.30, 1,916,839,688.55 and 1,050,223,801.30

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Solution

The fourth proportional to 1,279,806,313.30, 1,916,839,688.55 and 1,050,223,801.30 is: 1,572,980,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,806,313.30 : 1,916,839,688.55 = 1,050,223,801.30 : x
  2. Step 2: Convert to fraction form
    1,279,806,313.30/1,916,839,688.55 = 1,050,223,801.30/x
  3. Step 3: Cross multiply
    1,279,806,313.30x = 1,916,839,688.55 × 1,050,223,801.30
  4. Step 4: Simplify right side
    1,279,806,313.30x = 2,013,110,664,191,688,960
  5. Step 5: Solve for x
    x = 2,013,110,664,191,688,960/1,279,806,313.30
  6. Step 6: Final answer
    x = 1,572,980,726.28

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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.