Home / 358,568,943,285.24-537,947,752,181.65-128,859,484,810.83

Finding the Fourth Proportional to 358,568,943,285.24, 537,947,752,181.65 and 128,859,484,810.83

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Solution

The fourth proportional to 358,568,943,285.24, 537,947,752,181.65 and 128,859,484,810.83 is: 193,323,129,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,568,943,285.24 : 537,947,752,181.65 = 128,859,484,810.83 : x
  2. Step 2: Convert to fraction form
    358,568,943,285.24/537,947,752,181.65 = 128,859,484,810.83/x
  3. Step 3: Cross multiply
    358,568,943,285.24x = 537,947,752,181.65 × 128,859,484,810.83
  4. Step 4: Simplify right side
    358,568,943,285.24x = 69,319,670,201,271,474,716,672
  5. Step 5: Solve for x
    x = 69,319,670,201,271,474,716,672/358,568,943,285.24
  6. Step 6: Final answer
    x = 193,323,129,343.44

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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.