Home / 356,185,054.08-491,523,490.98-197,408,411.28

Finding the Fourth Proportional to 356,185,054.08, 491,523,490.98 and 197,408,411.28

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Solution

The fourth proportional to 356,185,054.08, 491,523,490.98 and 197,408,411.28 is: 272,417,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,185,054.08 : 491,523,490.98 = 197,408,411.28 : x
  2. Step 2: Convert to fraction form
    356,185,054.08/491,523,490.98 = 197,408,411.28/x
  3. Step 3: Cross multiply
    356,185,054.08x = 491,523,490.98 × 197,408,411.28
  4. Step 4: Simplify right side
    356,185,054.08x = 97,030,871,461,161,216
  5. Step 5: Solve for x
    x = 97,030,871,461,161,216/356,185,054.08
  6. Step 6: Final answer
    x = 272,417,021.29

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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.