Home / 31,506,878,292.12-43,479,623,040.71-17,038,973,245.68

Finding the Fourth Proportional to 31,506,878,292.12, 43,479,623,040.71 and 17,038,973,245.68

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Solution

The fourth proportional to 31,506,878,292.12, 43,479,623,040.71 and 17,038,973,245.68 is: 23,513,853,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,878,292.12 : 43,479,623,040.71 = 17,038,973,245.68 : x
  2. Step 2: Convert to fraction form
    31,506,878,292.12/43,479,623,040.71 = 17,038,973,245.68/x
  3. Step 3: Cross multiply
    31,506,878,292.12x = 43,479,623,040.71 × 17,038,973,245.68
  4. Step 4: Simplify right side
    31,506,878,292.12x = 740,848,133,722,824,245,248
  5. Step 5: Solve for x
    x = 740,848,133,722,824,245,248/31,506,878,292.12
  6. Step 6: Final answer
    x = 23,513,853,922.75

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Double scale
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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.