Home / 523,871,938.80-785,673,874.26-155,320,710.84

Finding the Fourth Proportional to 523,871,938.80, 785,673,874.26 and 155,320,710.84

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Solution

The fourth proportional to 523,871,938.80, 785,673,874.26 and 155,320,710.84 is: 232,941,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,871,938.80 : 785,673,874.26 = 155,320,710.84 : x
  2. Step 2: Convert to fraction form
    523,871,938.80/785,673,874.26 = 155,320,710.84/x
  3. Step 3: Cross multiply
    523,871,938.80x = 785,673,874.26 × 155,320,710.84
  4. Step 4: Simplify right side
    523,871,938.80x = 122,031,424,638,479,984
  5. Step 5: Solve for x
    x = 122,031,424,638,479,984/523,871,938.80
  6. Step 6: Final answer
    x = 232,941,327.07

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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.