Home / 690,607,391.40-1,035,911,087.10-601,923,666.60

Finding the Fourth Proportional to 690,607,391.40, 1,035,911,087.10 and 601,923,666.60

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Solution

The fourth proportional to 690,607,391.40, 1,035,911,087.10 and 601,923,666.60 is: 902,885,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,607,391.40 : 1,035,911,087.10 = 601,923,666.60 : x
  2. Step 2: Convert to fraction form
    690,607,391.40/1,035,911,087.10 = 601,923,666.60/x
  3. Step 3: Cross multiply
    690,607,391.40x = 1,035,911,087.10 × 601,923,666.60
  4. Step 4: Simplify right side
    690,607,391.40x = 623,539,399,818,823,936
  5. Step 5: Solve for x
    x = 623,539,399,818,823,936/690,607,391.40
  6. Step 6: Final answer
    x = 902,885,499.90

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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.