Home / 12,961,298,339.10-19,441,947,508.65-12,754,674,078.30

Finding the Fourth Proportional to 12,961,298,339.10, 19,441,947,508.65 and 12,754,674,078.30

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Solution

The fourth proportional to 12,961,298,339.10, 19,441,947,508.65 and 12,754,674,078.30 is: 19,132,011,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,298,339.10 : 19,441,947,508.65 = 12,754,674,078.30 : x
  2. Step 2: Convert to fraction form
    12,961,298,339.10/19,441,947,508.65 = 12,754,674,078.30/x
  3. Step 3: Cross multiply
    12,961,298,339.10x = 19,441,947,508.65 × 12,754,674,078.30
  4. Step 4: Simplify right side
    12,961,298,339.10x = 247,975,703,920,247,439,360
  5. Step 5: Solve for x
    x = 247,975,703,920,247,439,360/12,961,298,339.10
  6. Step 6: Final answer
    x = 19,132,011,117.45

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Double scale
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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.