Home / 553,005,324.60-829,507,986.90-347,868,223.80

Finding the Fourth Proportional to 553,005,324.60, 829,507,986.90 and 347,868,223.80

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Solution

The fourth proportional to 553,005,324.60, 829,507,986.90 and 347,868,223.80 is: 521,802,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,005,324.60 : 829,507,986.90 = 347,868,223.80 : x
  2. Step 2: Convert to fraction form
    553,005,324.60/829,507,986.90 = 347,868,223.80/x
  3. Step 3: Cross multiply
    553,005,324.60x = 829,507,986.90 × 347,868,223.80
  4. Step 4: Simplify right side
    553,005,324.60x = 288,559,470,030,816,640
  5. Step 5: Solve for x
    x = 288,559,470,030,816,640/553,005,324.60
  6. Step 6: Final answer
    x = 521,802,335.70

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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.