Home / 8,421,971,891.76-12,612,903,415.70-4,873,234,496.69

Finding the Fourth Proportional to 8,421,971,891.76, 12,612,903,415.70 and 4,873,234,496.69

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Solution

The fourth proportional to 8,421,971,891.76, 12,612,903,415.70 and 4,873,234,496.69 is: 7,298,247,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,971,891.76 : 12,612,903,415.70 = 4,873,234,496.69 : x
  2. Step 2: Convert to fraction form
    8,421,971,891.76/12,612,903,415.70 = 4,873,234,496.69/x
  3. Step 3: Cross multiply
    8,421,971,891.76x = 12,612,903,415.70 × 4,873,234,496.69
  4. Step 4: Simplify right side
    8,421,971,891.76x = 61,465,636,028,849,651,712
  5. Step 5: Solve for x
    x = 61,465,636,028,849,651,712/8,421,971,891.76
  6. Step 6: Final answer
    x = 7,298,247,586.05

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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.