Home / 262,108,688.20-393,163,032.30-245,952,881.80

Finding the Fourth Proportional to 262,108,688.20, 393,163,032.30 and 245,952,881.80

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Solution

The fourth proportional to 262,108,688.20, 393,163,032.30 and 245,952,881.80 is: 368,929,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,108,688.20 : 393,163,032.30 = 245,952,881.80 : x
  2. Step 2: Convert to fraction form
    262,108,688.20/393,163,032.30 = 245,952,881.80/x
  3. Step 3: Cross multiply
    262,108,688.20x = 393,163,032.30 × 245,952,881.80
  4. Step 4: Simplify right side
    262,108,688.20x = 96,699,580,811,411,488
  5. Step 5: Solve for x
    x = 96,699,580,811,411,488/262,108,688.20
  6. Step 6: Final answer
    x = 368,929,322.70

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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.