Home / 1,274,921,907.46-1,759,345,783.80-710,377,620.73

Finding the Fourth Proportional to 1,274,921,907.46, 1,759,345,783.80 and 710,377,620.73

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Solution

The fourth proportional to 1,274,921,907.46, 1,759,345,783.80 and 710,377,620.73 is: 980,295,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,921,907.46 : 1,759,345,783.80 = 710,377,620.73 : x
  2. Step 2: Convert to fraction form
    1,274,921,907.46/1,759,345,783.80 = 710,377,620.73/x
  3. Step 3: Cross multiply
    1,274,921,907.46x = 1,759,345,783.80 × 710,377,620.73
  4. Step 4: Simplify right side
    1,274,921,907.46x = 1,249,799,871,937,200,896
  5. Step 5: Solve for x
    x = 1,249,799,871,937,200,896/1,274,921,907.46
  6. Step 6: Final answer
    x = 980,295,235.83

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Double scale
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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.