Home / 30,339,748,820.19-41,868,544,970.75-16,791,412,284.57

Finding the Fourth Proportional to 30,339,748,820.19, 41,868,544,970.75 and 16,791,412,284.57

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Solution

The fourth proportional to 30,339,748,820.19, 41,868,544,970.75 and 16,791,412,284.57 is: 23,171,978,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339,748,820.19 : 41,868,544,970.75 = 16,791,412,284.57 : x
  2. Step 2: Convert to fraction form
    30,339,748,820.19/41,868,544,970.75 = 16,791,412,284.57/x
  3. Step 3: Cross multiply
    30,339,748,820.19x = 41,868,544,970.75 × 16,791,412,284.57
  4. Step 4: Simplify right side
    30,339,748,820.19x = 703,032,000,358,922,977,280
  5. Step 5: Solve for x
    x = 703,032,000,358,922,977,280/30,339,748,820.19
  6. Step 6: Final answer
    x = 23,171,978,269.35

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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.