Home / 12,420,708,355.21-18,636,880,566.16-6,121,703,759.27

Finding the Fourth Proportional to 12,420,708,355.21, 18,636,880,566.16 and 6,121,703,759.27

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Solution

The fourth proportional to 12,420,708,355.21, 18,636,880,566.16 and 6,121,703,759.27 is: 9,185,423,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,708,355.21 : 18,636,880,566.16 = 6,121,703,759.27 : x
  2. Step 2: Convert to fraction form
    12,420,708,355.21/18,636,880,566.16 = 6,121,703,759.27/x
  3. Step 3: Cross multiply
    12,420,708,355.21x = 18,636,880,566.16 × 6,121,703,759.27
  4. Step 4: Simplify right side
    12,420,708,355.21x = 114,089,461,822,943,117,312
  5. Step 5: Solve for x
    x = 114,089,461,822,943,117,312/12,420,708,355.21
  6. Step 6: Final answer
    x = 9,185,423,130.48

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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.