Home / 520,141,808.10-780,212,712.15-347,701,232.10

Finding the Fourth Proportional to 520,141,808.10, 780,212,712.15 and 347,701,232.10

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Solution

The fourth proportional to 520,141,808.10, 780,212,712.15 and 347,701,232.10 is: 521,551,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,141,808.10 : 780,212,712.15 = 347,701,232.10 : x
  2. Step 2: Convert to fraction form
    520,141,808.10/780,212,712.15 = 347,701,232.10/x
  3. Step 3: Cross multiply
    520,141,808.10x = 780,212,712.15 × 347,701,232.10
  4. Step 4: Simplify right side
    520,141,808.10x = 271,280,921,314,637,664
  5. Step 5: Solve for x
    x = 271,280,921,314,637,664/520,141,808.10
  6. Step 6: Final answer
    x = 521,551,848.15

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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.