Home / 781,258,581.75-1,176,564,634.08-711,522,893.73

Finding the Fourth Proportional to 781,258,581.75, 1,176,564,634.08 and 711,522,893.73

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Solution

The fourth proportional to 781,258,581.75, 1,176,564,634.08 and 711,522,893.73 is: 1,071,543,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,258,581.75 : 1,176,564,634.08 = 711,522,893.73 : x
  2. Step 2: Convert to fraction form
    781,258,581.75/1,176,564,634.08 = 711,522,893.73/x
  3. Step 3: Cross multiply
    781,258,581.75x = 1,176,564,634.08 × 711,522,893.73
  4. Step 4: Simplify right side
    781,258,581.75x = 837,152,673,100,980,096
  5. Step 5: Solve for x
    x = 837,152,673,100,980,096/781,258,581.75
  6. Step 6: Final answer
    x = 1,071,543,651.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.