Home / 1,236,076,158.84-1,854,114,904.06-459,620,929.40

Finding the Fourth Proportional to 1,236,076,158.84, 1,854,114,904.06 and 459,620,929.40

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Solution

The fourth proportional to 1,236,076,158.84, 1,854,114,904.06 and 459,620,929.40 is: 689,431,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,076,158.84 : 1,854,114,904.06 = 459,620,929.40 : x
  2. Step 2: Convert to fraction form
    1,236,076,158.84/1,854,114,904.06 = 459,620,929.40/x
  3. Step 3: Cross multiply
    1,236,076,158.84x = 1,854,114,904.06 × 459,620,929.40
  4. Step 4: Simplify right side
    1,236,076,158.84x = 852,190,015,418,449,024
  5. Step 5: Solve for x
    x = 852,190,015,418,449,024/1,236,076,158.84
  6. Step 6: Final answer
    x = 689,431,641.67

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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.