Home / 1,690,518,921.70-2,332,918,856.40-937,832,116.67

Finding the Fourth Proportional to 1,690,518,921.70, 2,332,918,856.40 and 937,832,116.67

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Solution

The fourth proportional to 1,690,518,921.70, 2,332,918,856.40 and 937,832,116.67 is: 1,294,209,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,518,921.70 : 2,332,918,856.40 = 937,832,116.67 : x
  2. Step 2: Convert to fraction form
    1,690,518,921.70/2,332,918,856.40 = 937,832,116.67/x
  3. Step 3: Cross multiply
    1,690,518,921.70x = 2,332,918,856.40 × 937,832,116.67
  4. Step 4: Simplify right side
    1,690,518,921.70x = 2,187,886,229,116,043,520
  5. Step 5: Solve for x
    x = 2,187,886,229,116,043,520/1,690,518,921.70
  6. Step 6: Final answer
    x = 1,294,209,843.52

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1.5x scale

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.