Home / 442,829,018.94-663,986,544.48-209,657,773.40

Finding the Fourth Proportional to 442,829,018.94, 663,986,544.48 and 209,657,773.40

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Solution

The fourth proportional to 442,829,018.94, 663,986,544.48 and 209,657,773.40 is: 314,364,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,829,018.94 : 663,986,544.48 = 209,657,773.40 : x
  2. Step 2: Convert to fraction form
    442,829,018.94/663,986,544.48 = 209,657,773.40/x
  3. Step 3: Cross multiply
    442,829,018.94x = 663,986,544.48 × 209,657,773.40
  4. Step 4: Simplify right side
    442,829,018.94x = 139,209,940,483,236,864
  5. Step 5: Solve for x
    x = 139,209,940,483,236,864/442,829,018.94
  6. Step 6: Final answer
    x = 314,364,990.84

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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.