Home / 27,507,506,655.72-37,960,130,994.38-15,464,571,144.90

Finding the Fourth Proportional to 27,507,506,655.72, 37,960,130,994.38 and 15,464,571,144.90

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Solution

The fourth proportional to 27,507,506,655.72, 37,960,130,994.38 and 15,464,571,144.90 is: 21,340,979,892.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507,506,655.72 : 37,960,130,994.38 = 15,464,571,144.90 : x
  2. Step 2: Convert to fraction form
    27,507,506,655.72/37,960,130,994.38 = 15,464,571,144.90/x
  3. Step 3: Cross multiply
    27,507,506,655.72x = 37,960,130,994.38 × 15,464,571,144.90
  4. Step 4: Simplify right side
    27,507,506,655.72x = 587,037,146,432,313,032,704
  5. Step 5: Solve for x
    x = 587,037,146,432,313,032,704/27,507,506,655.72
  6. Step 6: Final answer
    x = 21,340,979,892.49

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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.