Home / 909,974,295.72-1,255,800,133.62-533,578,570.92

Finding the Fourth Proportional to 909,974,295.72, 1,255,800,133.62 and 533,578,570.92

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Solution

The fourth proportional to 909,974,295.72, 1,255,800,133.62 and 533,578,570.92 is: 736,359,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,974,295.72 : 1,255,800,133.62 = 533,578,570.92 : x
  2. Step 2: Convert to fraction form
    909,974,295.72/1,255,800,133.62 = 533,578,570.92/x
  3. Step 3: Cross multiply
    909,974,295.72x = 1,255,800,133.62 × 533,578,570.92
  4. Step 4: Simplify right side
    909,974,295.72x = 670,068,040,658,104,576
  5. Step 5: Solve for x
    x = 670,068,040,658,104,576/909,974,295.72
  6. Step 6: Final answer
    x = 736,359,305.76

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1.5x scale

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.