Home / 8,438,371,206.96-11,645,166,082.32-4,628,045,867.52

Finding the Fourth Proportional to 8,438,371,206.96, 11,645,166,082.32 and 4,628,045,867.52

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Solution

The fourth proportional to 8,438,371,206.96, 11,645,166,082.32 and 4,628,045,867.52 is: 6,386,820,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,371,206.96 : 11,645,166,082.32 = 4,628,045,867.52 : x
  2. Step 2: Convert to fraction form
    8,438,371,206.96/11,645,166,082.32 = 4,628,045,867.52/x
  3. Step 3: Cross multiply
    8,438,371,206.96x = 11,645,166,082.32 × 4,628,045,867.52
  4. Step 4: Simplify right side
    8,438,371,206.96x = 53,894,362,763,865,145,344
  5. Step 5: Solve for x
    x = 53,894,362,763,865,145,344/8,438,371,206.96
  6. Step 6: Final answer
    x = 6,386,820,565.49

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Double scale
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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.