Home / 31,506,878,285.87-43,479,623,032.08-17,038,973,239.43

Finding the Fourth Proportional to 31,506,878,285.87, 43,479,623,032.08 and 17,038,973,239.43

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Solution

The fourth proportional to 31,506,878,285.87, 43,479,623,032.08 and 17,038,973,239.43 is: 23,513,853,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,878,285.87 : 43,479,623,032.08 = 17,038,973,239.43 : x
  2. Step 2: Convert to fraction form
    31,506,878,285.87/43,479,623,032.08 = 17,038,973,239.43/x
  3. Step 3: Cross multiply
    31,506,878,285.87x = 43,479,623,032.08 × 17,038,973,239.43
  4. Step 4: Simplify right side
    31,506,878,285.87x = 740,848,133,304,115,396,608
  5. Step 5: Solve for x
    x = 740,848,133,304,115,396,608/31,506,878,285.87
  6. Step 6: Final answer
    x = 23,513,853,914.13

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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.