Home / 522,082,875,065.10-720,474,402,236.02-290,591,426,410.11

Finding the Fourth Proportional to 522,082,875,065.10, 720,474,402,236.02 and 290,591,426,410.11

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Solution

The fourth proportional to 522,082,875,065.10, 720,474,402,236.02 and 290,591,426,410.11 is: 401,016,187,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,082,875,065.10 : 720,474,402,236.02 = 290,591,426,410.11 : x
  2. Step 2: Convert to fraction form
    522,082,875,065.10/720,474,402,236.02 = 290,591,426,410.11/x
  3. Step 3: Cross multiply
    522,082,875,065.10x = 720,474,402,236.02 × 290,591,426,410.11
  4. Step 4: Simplify right side
    522,082,875,065.10x = 209,363,684,237,736,409,038,848
  5. Step 5: Solve for x
    x = 209,363,684,237,736,409,038,848/522,082,875,065.10
  6. Step 6: Final answer
    x = 401,016,187,730.02

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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.