Home / 375,903,355,711.95-518,746,686,843.20-204,626,587,453.56

Finding the Fourth Proportional to 375,903,355,711.95, 518,746,686,843.20 and 204,626,587,453.56

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Solution

The fourth proportional to 375,903,355,711.95, 518,746,686,843.20 and 204,626,587,453.56 is: 282,384,721,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,903,355,711.95 : 518,746,686,843.20 = 204,626,587,453.56 : x
  2. Step 2: Convert to fraction form
    375,903,355,711.95/518,746,686,843.20 = 204,626,587,453.56/x
  3. Step 3: Cross multiply
    375,903,355,711.95x = 518,746,686,843.20 × 204,626,587,453.56
  4. Step 4: Simplify right side
    375,903,355,711.95x = 106,149,364,281,564,572,155,904
  5. Step 5: Solve for x
    x = 106,149,364,281,564,572,155,904/375,903,355,711.95
  6. Step 6: Final answer
    x = 282,384,721,148.66

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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.