Home / 690,605,999.40-1,035,908,999.10-601,922,274.60

Finding the Fourth Proportional to 690,605,999.40, 1,035,908,999.10 and 601,922,274.60

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Solution

The fourth proportional to 690,605,999.40, 1,035,908,999.10 and 601,922,274.60 is: 902,883,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,605,999.40 : 1,035,908,999.10 = 601,922,274.60 : x
  2. Step 2: Convert to fraction form
    690,605,999.40/1,035,908,999.10 = 601,922,274.60/x
  3. Step 3: Cross multiply
    690,605,999.40x = 1,035,908,999.10 × 601,922,274.60
  4. Step 4: Simplify right side
    690,605,999.40x = 623,536,701,016,881,408
  5. Step 5: Solve for x
    x = 623,536,701,016,881,408/690,605,999.40
  6. Step 6: Final answer
    x = 902,883,411.90

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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.