Home / 623,028,073.20-860,043,483.35-388,194,758.07

Finding the Fourth Proportional to 623,028,073.20, 860,043,483.35 and 388,194,758.07

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Solution

The fourth proportional to 623,028,073.20, 860,043,483.35 and 388,194,758.07 is: 535,873,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,028,073.20 : 860,043,483.35 = 388,194,758.07 : x
  2. Step 2: Convert to fraction form
    623,028,073.20/860,043,483.35 = 388,194,758.07/x
  3. Step 3: Cross multiply
    623,028,073.20x = 860,043,483.35 × 388,194,758.07
  4. Step 4: Simplify right side
    623,028,073.20x = 333,864,371,948,733,312
  5. Step 5: Solve for x
    x = 333,864,371,948,733,312/623,028,073.20
  6. Step 6: Final answer
    x = 535,873,721.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.