Home / 1,411,289,057.32-1,947,822,673.02-816,901,269.76

Finding the Fourth Proportional to 1,411,289,057.32, 1,947,822,673.02 and 816,901,269.76

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Solution

The fourth proportional to 1,411,289,057.32, 1,947,822,673.02 and 816,901,269.76 is: 1,127,464,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,289,057.32 : 1,947,822,673.02 = 816,901,269.76 : x
  2. Step 2: Convert to fraction form
    1,411,289,057.32/1,947,822,673.02 = 816,901,269.76/x
  3. Step 3: Cross multiply
    1,411,289,057.32x = 1,947,822,673.02 × 816,901,269.76
  4. Step 4: Simplify right side
    1,411,289,057.32x = 1,591,178,814,857,355,264
  5. Step 5: Solve for x
    x = 1,591,178,814,857,355,264/1,411,289,057.32
  6. Step 6: Final answer
    x = 1,127,464,856.76

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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.