Home / 533,330,456,703.70-735,996,759,083.67-289,459,929,315.02

Finding the Fourth Proportional to 533,330,456,703.70, 735,996,759,083.67 and 289,459,929,315.02

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Solution

The fourth proportional to 533,330,456,703.70, 735,996,759,083.67 and 289,459,929,315.02 is: 399,455,098,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,330,456,703.70 : 735,996,759,083.67 = 289,459,929,315.02 : x
  2. Step 2: Convert to fraction form
    533,330,456,703.70/735,996,759,083.67 = 289,459,929,315.02/x
  3. Step 3: Cross multiply
    533,330,456,703.70x = 735,996,759,083.67 × 289,459,929,315.02
  4. Step 4: Simplify right side
    533,330,456,703.70x = 213,041,569,860,442,954,661,888
  5. Step 5: Solve for x
    x = 213,041,569,860,442,954,661,888/533,330,456,703.70
  6. Step 6: Final answer
    x = 399,455,098,021.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.