Home / 5,215,695,071.40-7,823,920,520.70-3,140,949,407.40

Finding the Fourth Proportional to 5,215,695,071.40, 7,823,920,520.70 and 3,140,949,407.40

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Solution

The fourth proportional to 5,215,695,071.40, 7,823,920,520.70 and 3,140,949,407.40 is: 4,711,651,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,695,071.40 : 7,823,920,520.70 = 3,140,949,407.40 : x
  2. Step 2: Convert to fraction form
    5,215,695,071.40/7,823,920,520.70 = 3,140,949,407.40/x
  3. Step 3: Cross multiply
    5,215,695,071.40x = 7,823,920,520.70 × 3,140,949,407.40
  4. Step 4: Simplify right side
    5,215,695,071.40x = 24,574,538,523,037,364,224
  5. Step 5: Solve for x
    x = 24,574,538,523,037,364,224/5,215,695,071.40
  6. Step 6: Final answer
    x = 4,711,651,694.86

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1.5x scale

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.