Home / 516,198,492.50-774,297,035.87-239,698,511.28

Finding the Fourth Proportional to 516,198,492.50, 774,297,035.87 and 239,698,511.28

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Solution

The fourth proportional to 516,198,492.50, 774,297,035.87 and 239,698,511.28 is: 359,547,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,198,492.50 : 774,297,035.87 = 239,698,511.28 : x
  2. Step 2: Convert to fraction form
    516,198,492.50/774,297,035.87 = 239,698,511.28/x
  3. Step 3: Cross multiply
    516,198,492.50x = 774,297,035.87 × 239,698,511.28
  4. Step 4: Simplify right side
    516,198,492.50x = 185,597,846,785,357,280
  5. Step 5: Solve for x
    x = 185,597,846,785,357,280/516,198,492.50
  6. Step 6: Final answer
    x = 359,547,440.54

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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.