Home / 488,741,259.40-733,041,030.30-143,658,903.40

Finding the Fourth Proportional to 488,741,259.40, 733,041,030.30 and 143,658,903.40

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Solution

The fourth proportional to 488,741,259.40, 733,041,030.30 and 143,658,903.40 is: 215,467,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,741,259.40 : 733,041,030.30 = 143,658,903.40 : x
  2. Step 2: Convert to fraction form
    488,741,259.40/733,041,030.30 = 143,658,903.40/x
  3. Step 3: Cross multiply
    488,741,259.40x = 733,041,030.30 × 143,658,903.40
  4. Step 4: Simplify right side
    488,741,259.40x = 105,307,870,560,104,176
  5. Step 5: Solve for x
    x = 105,307,870,560,104,176/488,741,259.40
  6. Step 6: Final answer
    x = 215,467,527.11

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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.