Home / 1,411,289,078.55-1,947,822,702.17-816,901,290.92

Finding the Fourth Proportional to 1,411,289,078.55, 1,947,822,702.17 and 816,901,290.92

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Solution

The fourth proportional to 1,411,289,078.55, 1,947,822,702.17 and 816,901,290.92 is: 1,127,464,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,289,078.55 : 1,947,822,702.17 = 816,901,290.92 : x
  2. Step 2: Convert to fraction form
    1,411,289,078.55/1,947,822,702.17 = 816,901,290.92/x
  3. Step 3: Cross multiply
    1,411,289,078.55x = 1,947,822,702.17 × 816,901,290.92
  4. Step 4: Simplify right side
    1,411,289,078.55x = 1,591,178,879,885,955,584
  5. Step 5: Solve for x
    x = 1,591,178,879,885,955,584/1,411,289,078.55
  6. Step 6: Final answer
    x = 1,127,464,885.88

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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.