Home / 20,855,251,920.20-31,282,877,880.30-18,569,630,467.40

Finding the Fourth Proportional to 20,855,251,920.20, 31,282,877,880.30 and 18,569,630,467.40

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Solution

The fourth proportional to 20,855,251,920.20, 31,282,877,880.30 and 18,569,630,467.40 is: 27,854,445,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855,251,920.20 : 31,282,877,880.30 = 18,569,630,467.40 : x
  2. Step 2: Convert to fraction form
    20,855,251,920.20/31,282,877,880.30 = 18,569,630,467.40/x
  3. Step 3: Cross multiply
    20,855,251,920.20x = 31,282,877,880.30 × 18,569,630,467.40
  4. Step 4: Simplify right side
    20,855,251,920.20x = 580,911,482,193,972,428,800
  5. Step 5: Solve for x
    x = 580,911,482,193,972,428,800/20,855,251,920.20
  6. Step 6: Final answer
    x = 27,854,445,701.10

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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.