Home / 1,330,561,322.40-1,995,841,983.60-553,948,874.40

Finding the Fourth Proportional to 1,330,561,322.40, 1,995,841,983.60 and 553,948,874.40

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Solution

The fourth proportional to 1,330,561,322.40, 1,995,841,983.60 and 553,948,874.40 is: 830,923,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,561,322.40 : 1,995,841,983.60 = 553,948,874.40 : x
  2. Step 2: Convert to fraction form
    1,330,561,322.40/1,995,841,983.60 = 553,948,874.40/x
  3. Step 3: Cross multiply
    1,330,561,322.40x = 1,995,841,983.60 × 553,948,874.40
  4. Step 4: Simplify right side
    1,330,561,322.40x = 1,105,594,420,295,483,136
  5. Step 5: Solve for x
    x = 1,105,594,420,295,483,136/1,330,561,322.40
  6. Step 6: Final answer
    x = 830,923,311.60

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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.