Home / 661,117,930,562.93-991,215,832,250.94-292,930,368,651.01

Finding the Fourth Proportional to 661,117,930,562.93, 991,215,832,250.94 and 292,930,368,651.01

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Solution

The fourth proportional to 661,117,930,562.93, 991,215,832,250.94 and 292,930,368,651.01 is: 439,191,263,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,117,930,562.93 : 991,215,832,250.94 = 292,930,368,651.01 : x
  2. Step 2: Convert to fraction form
    661,117,930,562.93/991,215,832,250.94 = 292,930,368,651.01/x
  3. Step 3: Cross multiply
    661,117,930,562.93x = 991,215,832,250.94 × 292,930,368,651.01
  4. Step 4: Simplify right side
    661,117,930,562.93x = 290,357,219,153,985,524,465,664
  5. Step 5: Solve for x
    x = 290,357,219,153,985,524,465,664/661,117,930,562.93
  6. Step 6: Final answer
    x = 439,191,263,360.16

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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.