Home / 1,569,891,412.54-2,166,352,534.74-865,003,947.76

Finding the Fourth Proportional to 1,569,891,412.54, 2,166,352,534.74 and 865,003,947.76

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Solution

The fourth proportional to 1,569,891,412.54, 2,166,352,534.74 and 865,003,947.76 is: 1,193,651,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,891,412.54 : 2,166,352,534.74 = 865,003,947.76 : x
  2. Step 2: Convert to fraction form
    1,569,891,412.54/2,166,352,534.74 = 865,003,947.76/x
  3. Step 3: Cross multiply
    1,569,891,412.54x = 2,166,352,534.74 × 865,003,947.76
  4. Step 4: Simplify right side
    1,569,891,412.54x = 1,873,903,494,787,767,296
  5. Step 5: Solve for x
    x = 1,873,903,494,787,767,296/1,569,891,412.54
  6. Step 6: Final answer
    x = 1,193,651,662.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.