Home / 705,803,923.66-974,004,031.17-388,257,334.25

Finding the Fourth Proportional to 705,803,923.66, 974,004,031.17 and 388,257,334.25

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Solution

The fourth proportional to 705,803,923.66, 974,004,031.17 and 388,257,334.25 is: 535,792,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,803,923.66 : 974,004,031.17 = 388,257,334.25 : x
  2. Step 2: Convert to fraction form
    705,803,923.66/974,004,031.17 = 388,257,334.25/x
  3. Step 3: Cross multiply
    705,803,923.66x = 974,004,031.17 × 388,257,334.25
  4. Step 4: Simplify right side
    705,803,923.66x = 378,164,208,689,353,728
  5. Step 5: Solve for x
    x = 378,164,208,689,353,728/705,803,923.66
  6. Step 6: Final answer
    x = 535,792,159.85

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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.