Home / 42,852,871,404.47-64,304,372,427.48-15,980,004,399.35

Finding the Fourth Proportional to 42,852,871,404.47, 64,304,372,427.48 and 15,980,004,399.35

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Solution

The fourth proportional to 42,852,871,404.47, 64,304,372,427.48 and 15,980,004,399.35 is: 23,979,353,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,852,871,404.47 : 64,304,372,427.48 = 15,980,004,399.35 : x
  2. Step 2: Convert to fraction form
    42,852,871,404.47/64,304,372,427.48 = 15,980,004,399.35/x
  3. Step 3: Cross multiply
    42,852,871,404.47x = 64,304,372,427.48 × 15,980,004,399.35
  4. Step 4: Simplify right side
    42,852,871,404.47x = 1,027,584,154,288,249,765,888
  5. Step 5: Solve for x
    x = 1,027,584,154,288,249,765,888/42,852,871,404.47
  6. Step 6: Final answer
    x = 23,979,353,555.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.