Home / 358,419,336.60-537,685,691.95-128,383,328.28

Finding the Fourth Proportional to 358,419,336.60, 537,685,691.95 and 128,383,328.28

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Solution

The fourth proportional to 358,419,336.60, 537,685,691.95 and 128,383,328.28 is: 192,595,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,419,336.60 : 537,685,691.95 = 128,383,328.28 : x
  2. Step 2: Convert to fraction form
    358,419,336.60/537,685,691.95 = 128,383,328.28/x
  3. Step 3: Cross multiply
    358,419,336.60x = 537,685,691.95 × 128,383,328.28
  4. Step 4: Simplify right side
    358,419,336.60x = 69,029,878,701,075,808
  5. Step 5: Solve for x
    x = 69,029,878,701,075,808/358,419,336.60
  6. Step 6: Final answer
    x = 192,595,297.33

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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.