Home / 469,695,345.16-648,140,985.52-257,991,234.96

Finding the Fourth Proportional to 469,695,345.16, 648,140,985.52 and 257,991,234.96

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Solution

The fourth proportional to 469,695,345.16, 648,140,985.52 and 257,991,234.96 is: 356,006,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,695,345.16 : 648,140,985.52 = 257,991,234.96 : x
  2. Step 2: Convert to fraction form
    469,695,345.16/648,140,985.52 = 257,991,234.96/x
  3. Step 3: Cross multiply
    469,695,345.16x = 648,140,985.52 × 257,991,234.96
  4. Step 4: Simplify right side
    469,695,345.16x = 167,214,693,282,496,288
  5. Step 5: Solve for x
    x = 167,214,693,282,496,288/469,695,345.16
  6. Step 6: Final answer
    x = 356,006,707.34

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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.