Home / 283,529,221.60-424,789,947.60-243,218,437.60

Finding the Fourth Proportional to 283,529,221.60, 424,789,947.60 and 243,218,437.60

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Solution

The fourth proportional to 283,529,221.60, 424,789,947.60 and 243,218,437.60 is: 364,395,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,529,221.60 : 424,789,947.60 = 243,218,437.60 : x
  2. Step 2: Convert to fraction form
    283,529,221.60/424,789,947.60 = 243,218,437.60/x
  3. Step 3: Cross multiply
    283,529,221.60x = 424,789,947.60 × 243,218,437.60
  4. Step 4: Simplify right side
    283,529,221.60x = 103,316,747,363,457,872
  5. Step 5: Solve for x
    x = 103,316,747,363,457,872/283,529,221.60
  6. Step 6: Final answer
    x = 364,395,411.45

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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.