Home / 1,096,670,456.44-1,513,145,651.10-620,371,775.32

Finding the Fourth Proportional to 1,096,670,456.44, 1,513,145,651.10 and 620,371,775.32

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Solution

The fourth proportional to 1,096,670,456.44, 1,513,145,651.10 and 620,371,775.32 is: 855,966,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,670,456.44 : 1,513,145,651.10 = 620,371,775.32 : x
  2. Step 2: Convert to fraction form
    1,096,670,456.44/1,513,145,651.10 = 620,371,775.32/x
  3. Step 3: Cross multiply
    1,096,670,456.44x = 1,513,145,651.10 × 620,371,775.32
  4. Step 4: Simplify right side
    1,096,670,456.44x = 938,712,853,890,644,352
  5. Step 5: Solve for x
    x = 938,712,853,890,644,352/1,096,670,456.44
  6. Step 6: Final answer
    x = 855,966,209.70

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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.