Home / 622,238,488.80-933,133,784.40-315,428,632.80

Finding the Fourth Proportional to 622,238,488.80, 933,133,784.40 and 315,428,632.80

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Solution

The fourth proportional to 622,238,488.80, 933,133,784.40 and 315,428,632.80 is: 473,029,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,238,488.80 : 933,133,784.40 = 315,428,632.80 : x
  2. Step 2: Convert to fraction form
    622,238,488.80/933,133,784.40 = 315,428,632.80/x
  3. Step 3: Cross multiply
    622,238,488.80x = 933,133,784.40 × 315,428,632.80
  4. Step 4: Simplify right side
    622,238,488.80x = 294,337,113,832,781,952
  5. Step 5: Solve for x
    x = 294,337,113,832,781,952/622,238,488.80
  6. Step 6: Final answer
    x = 473,029,423.82

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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.