Home / 351,016,981.40-526,525,472.10-248,980,309.40

Finding the Fourth Proportional to 351,016,981.40, 526,525,472.10 and 248,980,309.40

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Solution

The fourth proportional to 351,016,981.40, 526,525,472.10 and 248,980,309.40 is: 373,470,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,016,981.40 : 526,525,472.10 = 248,980,309.40 : x
  2. Step 2: Convert to fraction form
    351,016,981.40/526,525,472.10 = 248,980,309.40/x
  3. Step 3: Cross multiply
    351,016,981.40x = 526,525,472.10 × 248,980,309.40
  4. Step 4: Simplify right side
    351,016,981.40x = 131,094,474,950,439,072
  5. Step 5: Solve for x
    x = 131,094,474,950,439,072/351,016,981.40
  6. Step 6: Final answer
    x = 373,470,464.10

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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.