Home / 1,165,527,081,665.20-1,608,319,433,369.10-644,671,289,796.70

Finding the Fourth Proportional to 1,165,527,081,665.20, 1,608,319,433,369.10 and 644,671,289,796.70

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Solution

The fourth proportional to 1,165,527,081,665.20, 1,608,319,433,369.10 and 644,671,289,796.70 is: 889,586,676,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,527,081,665.20 : 1,608,319,433,369.10 = 644,671,289,796.70 : x
  2. Step 2: Convert to fraction form
    1,165,527,081,665.20/1,608,319,433,369.10 = 644,671,289,796.70/x
  3. Step 3: Cross multiply
    1,165,527,081,665.20x = 1,608,319,433,369.10 × 644,671,289,796.70
  4. Step 4: Simplify right side
    1,165,527,081,665.20x = 1,036,837,363,515,155,441,254,400
  5. Step 5: Solve for x
    x = 1,036,837,363,515,155,441,254,400/1,165,527,081,665.20
  6. Step 6: Final answer
    x = 889,586,676,985.50

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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.