Home / 12,420,708,359.53-18,636,880,572.63-6,121,703,763.59

Finding the Fourth Proportional to 12,420,708,359.53, 18,636,880,572.63 and 6,121,703,763.59

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Solution

The fourth proportional to 12,420,708,359.53, 18,636,880,572.63 and 6,121,703,763.59 is: 9,185,423,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,708,359.53 : 18,636,880,572.63 = 6,121,703,763.59 : x
  2. Step 2: Convert to fraction form
    12,420,708,359.53/18,636,880,572.63 = 6,121,703,763.59/x
  3. Step 3: Cross multiply
    12,420,708,359.53x = 18,636,880,572.63 × 6,121,703,763.59
  4. Step 4: Simplify right side
    12,420,708,359.53x = 114,089,461,943,046,438,912
  5. Step 5: Solve for x
    x = 114,089,461,943,046,438,912/12,420,708,359.53
  6. Step 6: Final answer
    x = 9,185,423,136.96

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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.