Home / 18,441,697,941.63-25,449,551,686.89-9,983,521,728.18

Finding the Fourth Proportional to 18,441,697,941.63, 25,449,551,686.89 and 9,983,521,728.18

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Solution

The fourth proportional to 18,441,697,941.63, 25,449,551,686.89 and 9,983,521,728.18 is: 13,777,264,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,697,941.63 : 25,449,551,686.89 = 9,983,521,728.18 : x
  2. Step 2: Convert to fraction form
    18,441,697,941.63/25,449,551,686.89 = 9,983,521,728.18/x
  3. Step 3: Cross multiply
    18,441,697,941.63x = 25,449,551,686.89 × 9,983,521,728.18
  4. Step 4: Simplify right side
    18,441,697,941.63x = 254,076,152,238,506,278,912
  5. Step 5: Solve for x
    x = 254,076,152,238,506,278,912/18,441,697,941.63
  6. Step 6: Final answer
    x = 13,777,264,601.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.