Home / 1,191,745,403.19-1,787,875,405.34-362,763,869.67

Finding the Fourth Proportional to 1,191,745,403.19, 1,787,875,405.34 and 362,763,869.67

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Solution

The fourth proportional to 1,191,745,403.19, 1,787,875,405.34 and 362,763,869.67 is: 544,224,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,745,403.19 : 1,787,875,405.34 = 362,763,869.67 : x
  2. Step 2: Convert to fraction form
    1,191,745,403.19/1,787,875,405.34 = 362,763,869.67/x
  3. Step 3: Cross multiply
    1,191,745,403.19x = 1,787,875,405.34 × 362,763,869.67
  4. Step 4: Simplify right side
    1,191,745,403.19x = 648,576,600,527,144,448
  5. Step 5: Solve for x
    x = 648,576,600,527,144,448/1,191,745,403.19
  6. Step 6: Final answer
    x = 544,224,126.05

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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.