Home / 527,966,065.80-792,043,577.10-221,289,179.40

Finding the Fourth Proportional to 527,966,065.80, 792,043,577.10 and 221,289,179.40

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Solution

The fourth proportional to 527,966,065.80, 792,043,577.10 and 221,289,179.40 is: 331,973,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,966,065.80 : 792,043,577.10 = 221,289,179.40 : x
  2. Step 2: Convert to fraction form
    527,966,065.80/792,043,577.10 = 221,289,179.40/x
  3. Step 3: Cross multiply
    527,966,065.80x = 792,043,577.10 × 221,289,179.40
  4. Step 4: Simplify right side
    527,966,065.80x = 175,270,673,225,499,648
  5. Step 5: Solve for x
    x = 175,270,673,225,499,648/527,966,065.80
  6. Step 6: Final answer
    x = 331,973,368.33

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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.