Home / 1,347,816,099.70-2,021,825,801.84-402,339,537.17

Finding the Fourth Proportional to 1,347,816,099.70, 2,021,825,801.84 and 402,339,537.17

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Solution

The fourth proportional to 1,347,816,099.70, 2,021,825,801.84 and 402,339,537.17 is: 603,539,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,816,099.70 : 2,021,825,801.84 = 402,339,537.17 : x
  2. Step 2: Convert to fraction form
    1,347,816,099.70/2,021,825,801.84 = 402,339,537.17/x
  3. Step 3: Cross multiply
    1,347,816,099.70x = 2,021,825,801.84 × 402,339,537.17
  4. Step 4: Simplify right side
    1,347,816,099.70x = 813,460,457,346,130,688
  5. Step 5: Solve for x
    x = 813,460,457,346,130,688/1,347,816,099.70
  6. Step 6: Final answer
    x = 603,539,650.20

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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.