Home / 644,458,335.60-964,420,021.80-590,038,777.20

Finding the Fourth Proportional to 644,458,335.60, 964,420,021.80 and 590,038,777.20

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Solution

The fourth proportional to 644,458,335.60, 964,420,021.80 and 590,038,777.20 is: 882,982,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,458,335.60 : 964,420,021.80 = 590,038,777.20 : x
  2. Step 2: Convert to fraction form
    644,458,335.60/964,420,021.80 = 590,038,777.20/x
  3. Step 3: Cross multiply
    644,458,335.60x = 964,420,021.80 × 590,038,777.20
  4. Step 4: Simplify right side
    644,458,335.60x = 569,045,210,370,069,376
  5. Step 5: Solve for x
    x = 569,045,210,370,069,376/644,458,335.60
  6. Step 6: Final answer
    x = 882,982,155.61

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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.