Home / 898,151,004.80-1,347,226,507.20-438,384,118.40

Finding the Fourth Proportional to 898,151,004.80, 1,347,226,507.20 and 438,384,118.40

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Solution

The fourth proportional to 898,151,004.80, 1,347,226,507.20 and 438,384,118.40 is: 657,576,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,151,004.80 : 1,347,226,507.20 = 438,384,118.40 : x
  2. Step 2: Convert to fraction form
    898,151,004.80/1,347,226,507.20 = 438,384,118.40/x
  3. Step 3: Cross multiply
    898,151,004.80x = 1,347,226,507.20 × 438,384,118.40
  4. Step 4: Simplify right side
    898,151,004.80x = 590,602,704,643,983,232
  5. Step 5: Solve for x
    x = 590,602,704,643,983,232/898,151,004.80
  6. Step 6: Final answer
    x = 657,576,177.60

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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.