Home / 690,606,005.40-1,035,909,008.10-601,922,280.60

Finding the Fourth Proportional to 690,606,005.40, 1,035,909,008.10 and 601,922,280.60

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Solution

The fourth proportional to 690,606,005.40, 1,035,909,008.10 and 601,922,280.60 is: 902,883,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,606,005.40 : 1,035,909,008.10 = 601,922,280.60 : x
  2. Step 2: Convert to fraction form
    690,606,005.40/1,035,909,008.10 = 601,922,280.60/x
  3. Step 3: Cross multiply
    690,606,005.40x = 1,035,909,008.10 × 601,922,280.60
  4. Step 4: Simplify right side
    690,606,005.40x = 623,536,712,649,635,968
  5. Step 5: Solve for x
    x = 623,536,712,649,635,968/690,606,005.40
  6. Step 6: Final answer
    x = 902,883,420.90

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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.