Home / 13,359,661,148.16-18,435,827,302.56-7,419,596,287.68

Finding the Fourth Proportional to 13,359,661,148.16, 18,435,827,302.56 and 7,419,596,287.68

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Solution

The fourth proportional to 13,359,661,148.16, 18,435,827,302.56 and 7,419,596,287.68 is: 10,238,762,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,661,148.16 : 18,435,827,302.56 = 7,419,596,287.68 : x
  2. Step 2: Convert to fraction form
    13,359,661,148.16/18,435,827,302.56 = 7,419,596,287.68/x
  3. Step 3: Cross multiply
    13,359,661,148.16x = 18,435,827,302.56 × 7,419,596,287.68
  4. Step 4: Simplify right side
    13,359,661,148.16x = 136,786,395,814,383,779,840
  5. Step 5: Solve for x
    x = 136,786,395,814,383,779,840/13,359,661,148.16
  6. Step 6: Final answer
    x = 10,238,762,368.10

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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.