Home / 37,013,980,009.34-51,079,292,412.89-21,172,786,681.34

Finding the Fourth Proportional to 37,013,980,009.34, 51,079,292,412.89 and 21,172,786,681.34

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Solution

The fourth proportional to 37,013,980,009.34, 51,079,292,412.89 and 21,172,786,681.34 is: 29,218,445,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,013,980,009.34 : 51,079,292,412.89 = 21,172,786,681.34 : x
  2. Step 2: Convert to fraction form
    37,013,980,009.34/51,079,292,412.89 = 21,172,786,681.34/x
  3. Step 3: Cross multiply
    37,013,980,009.34x = 51,079,292,412.89 × 21,172,786,681.34
  4. Step 4: Simplify right side
    37,013,980,009.34x = 1,081,490,962,091,908,661,248
  5. Step 5: Solve for x
    x = 1,081,490,962,091,908,661,248/37,013,980,009.34
  6. Step 6: Final answer
    x = 29,218,445,620.25

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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.