Home / 5,718,650,688.91-8,573,063,205.78-1,987,457,319.35

Finding the Fourth Proportional to 5,718,650,688.91, 8,573,063,205.78 and 1,987,457,319.35

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Solution

The fourth proportional to 5,718,650,688.91, 8,573,063,205.78 and 1,987,457,319.35 is: 2,979,478,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,650,688.91 : 8,573,063,205.78 = 1,987,457,319.35 : x
  2. Step 2: Convert to fraction form
    5,718,650,688.91/8,573,063,205.78 = 1,987,457,319.35/x
  3. Step 3: Cross multiply
    5,718,650,688.91x = 8,573,063,205.78 × 1,987,457,319.35
  4. Step 4: Simplify right side
    5,718,650,688.91x = 17,038,597,217,601,828,864
  5. Step 5: Solve for x
    x = 17,038,597,217,601,828,864/5,718,650,688.91
  6. Step 6: Final answer
    x = 2,979,478,577.11

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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.