Home / 28,403,056,031.70-42,604,584,047.55-11,852,707,833.30

Finding the Fourth Proportional to 28,403,056,031.70, 42,604,584,047.55 and 11,852,707,833.30

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Solution

The fourth proportional to 28,403,056,031.70, 42,604,584,047.55 and 11,852,707,833.30 is: 17,779,061,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,056,031.70 : 42,604,584,047.55 = 11,852,707,833.30 : x
  2. Step 2: Convert to fraction form
    28,403,056,031.70/42,604,584,047.55 = 11,852,707,833.30/x
  3. Step 3: Cross multiply
    28,403,056,031.70x = 42,604,584,047.55 × 11,852,707,833.30
  4. Step 4: Simplify right side
    28,403,056,031.70x = 504,979,687,074,884,091,904
  5. Step 5: Solve for x
    x = 504,979,687,074,884,091,904/28,403,056,031.70
  6. Step 6: Final answer
    x = 17,779,061,749.95

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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.