Home / 418,605,154.37-577,682,459.16-227,871,656.07

Finding the Fourth Proportional to 418,605,154.37, 577,682,459.16 and 227,871,656.07

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Solution

The fourth proportional to 418,605,154.37, 577,682,459.16 and 227,871,656.07 is: 314,466,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,605,154.37 : 577,682,459.16 = 227,871,656.07 : x
  2. Step 2: Convert to fraction form
    418,605,154.37/577,682,459.16 = 227,871,656.07/x
  3. Step 3: Cross multiply
    418,605,154.37x = 577,682,459.16 × 227,871,656.07
  4. Step 4: Simplify right side
    418,605,154.37x = 131,637,458,652,883,440
  5. Step 5: Solve for x
    x = 131,637,458,652,883,440/418,605,154.37
  6. Step 6: Final answer
    x = 314,466,884.32

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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.