Home / 27,507,506,653.22-37,960,130,990.93-15,464,571,142.39

Finding the Fourth Proportional to 27,507,506,653.22, 37,960,130,990.93 and 15,464,571,142.39

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Solution

The fourth proportional to 27,507,506,653.22, 37,960,130,990.93 and 15,464,571,142.39 is: 21,340,979,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507,506,653.22 : 37,960,130,990.93 = 15,464,571,142.39 : x
  2. Step 2: Convert to fraction form
    27,507,506,653.22/37,960,130,990.93 = 15,464,571,142.39/x
  3. Step 3: Cross multiply
    27,507,506,653.22x = 37,960,130,990.93 × 15,464,571,142.39
  4. Step 4: Simplify right side
    27,507,506,653.22x = 587,037,146,283,535,564,800
  5. Step 5: Solve for x
    x = 587,037,146,283,535,564,800/27,507,506,653.22
  6. Step 6: Final answer
    x = 21,340,979,889.02

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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.