Home / 30,281,133,825.70-45,421,700,738.55-20,363,169,307.30

Finding the Fourth Proportional to 30,281,133,825.70, 45,421,700,738.55 and 20,363,169,307.30

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Solution

The fourth proportional to 30,281,133,825.70, 45,421,700,738.55 and 20,363,169,307.30 is: 30,544,753,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,133,825.70 : 45,421,700,738.55 = 20,363,169,307.30 : x
  2. Step 2: Convert to fraction form
    30,281,133,825.70/45,421,700,738.55 = 20,363,169,307.30/x
  3. Step 3: Cross multiply
    30,281,133,825.70x = 45,421,700,738.55 × 20,363,169,307.30
  4. Step 4: Simplify right side
    30,281,133,825.70x = 924,929,782,364,607,086,592
  5. Step 5: Solve for x
    x = 924,929,782,364,607,086,592/30,281,133,825.70
  6. Step 6: Final answer
    x = 30,544,753,960.95

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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.