Home / 988,690,250.40-1,483,035,375.60-553,333,783.20

Finding the Fourth Proportional to 988,690,250.40, 1,483,035,375.60 and 553,333,783.20

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Solution

The fourth proportional to 988,690,250.40, 1,483,035,375.60 and 553,333,783.20 is: 830,000,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,690,250.40 : 1,483,035,375.60 = 553,333,783.20 : x
  2. Step 2: Convert to fraction form
    988,690,250.40/1,483,035,375.60 = 553,333,783.20/x
  3. Step 3: Cross multiply
    988,690,250.40x = 1,483,035,375.60 × 553,333,783.20
  4. Step 4: Simplify right side
    988,690,250.40x = 820,613,575,000,180,992
  5. Step 5: Solve for x
    x = 820,613,575,000,180,992/988,690,250.40
  6. Step 6: Final answer
    x = 830,000,674.80

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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.