Home / 1,661,402,003.12-2,292,237,015.27-956,535,861.59

Finding the Fourth Proportional to 1,661,402,003.12, 2,292,237,015.27 and 956,535,861.59

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Solution

The fourth proportional to 1,661,402,003.12, 2,292,237,015.27 and 956,535,861.59 is: 1,319,732,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,402,003.12 : 2,292,237,015.27 = 956,535,861.59 : x
  2. Step 2: Convert to fraction form
    1,661,402,003.12/2,292,237,015.27 = 956,535,861.59/x
  3. Step 3: Cross multiply
    1,661,402,003.12x = 2,292,237,015.27 × 956,535,861.59
  4. Step 4: Simplify right side
    1,661,402,003.12x = 2,192,606,908,358,318,336
  5. Step 5: Solve for x
    x = 2,192,606,908,358,318,336/1,661,402,003.12
  6. Step 6: Final answer
    x = 1,319,732,914.88

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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.