Home / 12,118,896,010.20-18,173,809,052.10-4,255,269,821.40

Finding the Fourth Proportional to 12,118,896,010.20, 18,173,809,052.10 and 4,255,269,821.40

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Solution

The fourth proportional to 12,118,896,010.20, 18,173,809,052.10 and 4,255,269,821.40 is: 6,381,312,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,118,896,010.20 : 18,173,809,052.10 = 4,255,269,821.40 : x
  2. Step 2: Convert to fraction form
    12,118,896,010.20/18,173,809,052.10 = 4,255,269,821.40/x
  3. Step 3: Cross multiply
    12,118,896,010.20x = 18,173,809,052.10 × 4,255,269,821.40
  4. Step 4: Simplify right side
    12,118,896,010.20x = 77,334,461,199,287,271,424
  5. Step 5: Solve for x
    x = 77,334,461,199,287,271,424/12,118,896,010.20
  6. Step 6: Final answer
    x = 6,381,312,384.74

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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.