Home / 31,177,871,997.30-46,766,807,995.95-7,913,510,781.30

Finding the Fourth Proportional to 31,177,871,997.30, 46,766,807,995.95 and 7,913,510,781.30

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Solution

The fourth proportional to 31,177,871,997.30, 46,766,807,995.95 and 7,913,510,781.30 is: 11,870,266,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177,871,997.30 : 46,766,807,995.95 = 7,913,510,781.30 : x
  2. Step 2: Convert to fraction form
    31,177,871,997.30/46,766,807,995.95 = 7,913,510,781.30/x
  3. Step 3: Cross multiply
    31,177,871,997.30x = 46,766,807,995.95 × 7,913,510,781.30
  4. Step 4: Simplify right side
    31,177,871,997.30x = 370,089,639,282,937,364,480
  5. Step 5: Solve for x
    x = 370,089,639,282,937,364,480/31,177,871,997.30
  6. Step 6: Final answer
    x = 11,870,266,171.95

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Double scale
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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.