Home / 654,989,360,811.18-903,932,091,135.49-362,007,980,901.87

Finding the Fourth Proportional to 654,989,360,811.18, 903,932,091,135.49 and 362,007,980,901.87

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Solution

The fourth proportional to 654,989,360,811.18, 903,932,091,135.49 and 362,007,980,901.87 is: 499,596,864,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,989,360,811.18 : 903,932,091,135.49 = 362,007,980,901.87 : x
  2. Step 2: Convert to fraction form
    654,989,360,811.18/903,932,091,135.49 = 362,007,980,901.87/x
  3. Step 3: Cross multiply
    654,989,360,811.18x = 903,932,091,135.49 × 362,007,980,901.87
  4. Step 4: Simplify right side
    654,989,360,811.18x = 327,230,631,184,363,895,652,352
  5. Step 5: Solve for x
    x = 327,230,631,184,363,895,652,352/654,989,360,811.18
  6. Step 6: Final answer
    x = 499,596,864,869.84

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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.