Home / 578,221,040.52-865,501,825.86-370,682,088.84

Finding the Fourth Proportional to 578,221,040.52, 865,501,825.86 and 370,682,088.84

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Solution

The fourth proportional to 578,221,040.52, 865,501,825.86 and 370,682,088.84 is: 554,850,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,221,040.52 : 865,501,825.86 = 370,682,088.84 : x
  2. Step 2: Convert to fraction form
    578,221,040.52/865,501,825.86 = 370,682,088.84/x
  3. Step 3: Cross multiply
    578,221,040.52x = 865,501,825.86 × 370,682,088.84
  4. Step 4: Simplify right side
    578,221,040.52x = 320,826,024,704,618,688
  5. Step 5: Solve for x
    x = 320,826,024,704,618,688/578,221,040.52
  6. Step 6: Final answer
    x = 554,850,139.00

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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.