Home / 8,187,492,085.20-12,281,238,127.80-7,866,076,568.40

Finding the Fourth Proportional to 8,187,492,085.20, 12,281,238,127.80 and 7,866,076,568.40

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Solution

The fourth proportional to 8,187,492,085.20, 12,281,238,127.80 and 7,866,076,568.40 is: 11,799,114,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,492,085.20 : 12,281,238,127.80 = 7,866,076,568.40 : x
  2. Step 2: Convert to fraction form
    8,187,492,085.20/12,281,238,127.80 = 7,866,076,568.40/x
  3. Step 3: Cross multiply
    8,187,492,085.20x = 12,281,238,127.80 × 7,866,076,568.40
  4. Step 4: Simplify right side
    8,187,492,085.20x = 96,605,159,468,028,248,064
  5. Step 5: Solve for x
    x = 96,605,159,468,028,248,064/8,187,492,085.20
  6. Step 6: Final answer
    x = 11,799,114,852.60

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Double scale
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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.