Home / 497,785,810.80-746,678,716.20-134,316,908.40

Finding the Fourth Proportional to 497,785,810.80, 746,678,716.20 and 134,316,908.40

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Solution

The fourth proportional to 497,785,810.80, 746,678,716.20 and 134,316,908.40 is: 201,475,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,785,810.80 : 746,678,716.20 = 134,316,908.40 : x
  2. Step 2: Convert to fraction form
    497,785,810.80/746,678,716.20 = 134,316,908.40/x
  3. Step 3: Cross multiply
    497,785,810.80x = 746,678,716.20 × 134,316,908.40
  4. Step 4: Simplify right side
    497,785,810.80x = 100,291,576,728,065,008
  5. Step 5: Solve for x
    x = 100,291,576,728,065,008/497,785,810.80
  6. Step 6: Final answer
    x = 201,475,362.60

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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.