Home / 31,047,315,079.80-46,570,972,619.70-19,889,604,996.60

Finding the Fourth Proportional to 31,047,315,079.80, 46,570,972,619.70 and 19,889,604,996.60

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Solution

The fourth proportional to 31,047,315,079.80, 46,570,972,619.70 and 19,889,604,996.60 is: 29,834,407,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047,315,079.80 : 46,570,972,619.70 = 19,889,604,996.60 : x
  2. Step 2: Convert to fraction form
    31,047,315,079.80/46,570,972,619.70 = 19,889,604,996.60/x
  3. Step 3: Cross multiply
    31,047,315,079.80x = 46,570,972,619.70 × 19,889,604,996.60
  4. Step 4: Simplify right side
    31,047,315,079.80x = 926,278,249,713,306,828,800
  5. Step 5: Solve for x
    x = 926,278,249,713,306,828,800/31,047,315,079.80
  6. Step 6: Final answer
    x = 29,834,407,494.90

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Double scale
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1.5x scale

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.