Home / 27,803,982,021.20-41,705,973,031.80-18,988,013,560.40

Finding the Fourth Proportional to 27,803,982,021.20, 41,705,973,031.80 and 18,988,013,560.40

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Solution

The fourth proportional to 27,803,982,021.20, 41,705,973,031.80 and 18,988,013,560.40 is: 28,482,020,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803,982,021.20 : 41,705,973,031.80 = 18,988,013,560.40 : x
  2. Step 2: Convert to fraction form
    27,803,982,021.20/41,705,973,031.80 = 18,988,013,560.40/x
  3. Step 3: Cross multiply
    27,803,982,021.20x = 41,705,973,031.80 × 18,988,013,560.40
  4. Step 4: Simplify right side
    27,803,982,021.20x = 791,913,581,477,495,177,216
  5. Step 5: Solve for x
    x = 791,913,581,477,495,177,216/27,803,982,021.20
  6. Step 6: Final answer
    x = 28,482,020,340.60

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Double scale
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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.