Home / 641,977,845.77-962,663,202.11-248,688,870.32

Finding the Fourth Proportional to 641,977,845.77, 962,663,202.11 and 248,688,870.32

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Solution

The fourth proportional to 641,977,845.77, 962,663,202.11 and 248,688,870.32 is: 372,915,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,977,845.77 : 962,663,202.11 = 248,688,870.32 : x
  2. Step 2: Convert to fraction form
    641,977,845.77/962,663,202.11 = 248,688,870.32/x
  3. Step 3: Cross multiply
    641,977,845.77x = 962,663,202.11 × 248,688,870.32
  4. Step 4: Simplify right side
    641,977,845.77x = 239,403,624,225,312,992
  5. Step 5: Solve for x
    x = 239,403,624,225,312,992/641,977,845.77
  6. Step 6: Final answer
    x = 372,915,710.11

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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.