Home / 13,614,083,510.39-18,787,435,280.49-7,355,834,294.39

Finding the Fourth Proportional to 13,614,083,510.39, 18,787,435,280.49 and 7,355,834,294.39

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Solution

The fourth proportional to 13,614,083,510.39, 18,787,435,280.49 and 7,355,834,294.39 is: 10,151,051,345.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,083,510.39 : 18,787,435,280.49 = 7,355,834,294.39 : x
  2. Step 2: Convert to fraction form
    13,614,083,510.39/18,787,435,280.49 = 7,355,834,294.39/x
  3. Step 3: Cross multiply
    13,614,083,510.39x = 18,787,435,280.49 × 7,355,834,294.39
  4. Step 4: Simplify right side
    13,614,083,510.39x = 138,197,260,739,860,971,520
  5. Step 5: Solve for x
    x = 138,197,260,739,860,971,520/13,614,083,510.39
  6. Step 6: Final answer
    x = 10,151,051,345.79

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Double scale
Find fourth proportional to 13,614,083,511.39, 18,787,435,281.87 and 7,355,834,295.39
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1.5x scale

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.