Home / 531,563,606.40-797,345,409.60-143,385,686.40

Finding the Fourth Proportional to 531,563,606.40, 797,345,409.60 and 143,385,686.40

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Solution

The fourth proportional to 531,563,606.40, 797,345,409.60 and 143,385,686.40 is: 215,078,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,563,606.40 : 797,345,409.60 = 143,385,686.40 : x
  2. Step 2: Convert to fraction form
    531,563,606.40/797,345,409.60 = 143,385,686.40/x
  3. Step 3: Cross multiply
    531,563,606.40x = 797,345,409.60 × 143,385,686.40
  4. Step 4: Simplify right side
    531,563,606.40x = 114,327,918,853,385,152
  5. Step 5: Solve for x
    x = 114,327,918,853,385,152/531,563,606.40
  6. Step 6: Final answer
    x = 215,078,529.60

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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.