Home / 1,162,952,837.15-1,605,010,595.27-661,236,795.81

Finding the Fourth Proportional to 1,162,952,837.15, 1,605,010,595.27 and 661,236,795.81

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Solution

The fourth proportional to 1,162,952,837.15, 1,605,010,595.27 and 661,236,795.81 is: 912,583,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,952,837.15 : 1,605,010,595.27 = 661,236,795.81 : x
  2. Step 2: Convert to fraction form
    1,162,952,837.15/1,605,010,595.27 = 661,236,795.81/x
  3. Step 3: Cross multiply
    1,162,952,837.15x = 1,605,010,595.27 × 661,236,795.81
  4. Step 4: Simplify right side
    1,162,952,837.15x = 1,061,292,063,254,129,280
  5. Step 5: Solve for x
    x = 1,061,292,063,254,129,280/1,162,952,837.15
  6. Step 6: Final answer
    x = 912,583,923.75

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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.