Home / 378,712,686,224.90-522,617,047,945.92-205,096,418,655.76

Finding the Fourth Proportional to 378,712,686,224.90, 522,617,047,945.92 and 205,096,418,655.76

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Solution

The fourth proportional to 378,712,686,224.90, 522,617,047,945.92 and 205,096,418,655.76 is: 283,029,559,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,712,686,224.90 : 522,617,047,945.92 = 205,096,418,655.76 : x
  2. Step 2: Convert to fraction form
    378,712,686,224.90/522,617,047,945.92 = 205,096,418,655.76/x
  3. Step 3: Cross multiply
    378,712,686,224.90x = 522,617,047,945.92 × 205,096,418,655.76
  4. Step 4: Simplify right side
    378,712,686,224.90x = 107,186,884,862,153,800,548,352
  5. Step 5: Solve for x
    x = 107,186,884,862,153,800,548,352/378,712,686,224.90
  6. Step 6: Final answer
    x = 283,029,559,771.60

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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.