Home / 898,789,318,158.78-1,240,421,704,916.50-546,847,235,524.64

Finding the Fourth Proportional to 898,789,318,158.78, 1,240,421,704,916.50 and 546,847,235,524.64

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Solution

The fourth proportional to 898,789,318,158.78, 1,240,421,704,916.50 and 546,847,235,524.64 is: 754,705,431,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,789,318,158.78 : 1,240,421,704,916.50 = 546,847,235,524.64 : x
  2. Step 2: Convert to fraction form
    898,789,318,158.78/1,240,421,704,916.50 = 546,847,235,524.64/x
  3. Step 3: Cross multiply
    898,789,318,158.78x = 1,240,421,704,916.50 × 546,847,235,524.64
  4. Step 4: Simplify right side
    898,789,318,158.78x = 678,321,180,218,348,827,312,128
  5. Step 5: Solve for x
    x = 678,321,180,218,348,827,312,128/898,789,318,158.78
  6. Step 6: Final answer
    x = 754,705,431,533.09

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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.