Home / 31,506,878,291.37-43,479,623,039.67-17,038,973,244.93

Finding the Fourth Proportional to 31,506,878,291.37, 43,479,623,039.67 and 17,038,973,244.93

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Solution

The fourth proportional to 31,506,878,291.37, 43,479,623,039.67 and 17,038,973,244.93 is: 23,513,853,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,878,291.37 : 43,479,623,039.67 = 17,038,973,244.93 : x
  2. Step 2: Convert to fraction form
    31,506,878,291.37/43,479,623,039.67 = 17,038,973,244.93/x
  3. Step 3: Cross multiply
    31,506,878,291.37x = 43,479,623,039.67 × 17,038,973,244.93
  4. Step 4: Simplify right side
    31,506,878,291.37x = 740,848,133,672,579,104,768
  5. Step 5: Solve for x
    x = 740,848,133,672,579,104,768/31,506,878,291.37
  6. Step 6: Final answer
    x = 23,513,853,921.72

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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.