Home / 621,974,139.79-933,092,238.56-201,762,700.46

Finding the Fourth Proportional to 621,974,139.79, 933,092,238.56 and 201,762,700.46

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Solution

The fourth proportional to 621,974,139.79, 933,092,238.56 and 201,762,700.46 is: 302,686,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,974,139.79 : 933,092,238.56 = 201,762,700.46 : x
  2. Step 2: Convert to fraction form
    621,974,139.79/933,092,238.56 = 201,762,700.46/x
  3. Step 3: Cross multiply
    621,974,139.79x = 933,092,238.56 × 201,762,700.46
  4. Step 4: Simplify right side
    621,974,139.79x = 188,263,209,830,132,128
  5. Step 5: Solve for x
    x = 188,263,209,830,132,128/621,974,139.79
  6. Step 6: Final answer
    x = 302,686,555.25

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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.