Home / 1,017,455,979.60-1,526,295,943.80-371,363,691.60

Finding the Fourth Proportional to 1,017,455,979.60, 1,526,295,943.80 and 371,363,691.60

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Solution

The fourth proportional to 1,017,455,979.60, 1,526,295,943.80 and 371,363,691.60 is: 557,086,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,455,979.60 : 1,526,295,943.80 = 371,363,691.60 : x
  2. Step 2: Convert to fraction form
    1,017,455,979.60/1,526,295,943.80 = 371,363,691.60/x
  3. Step 3: Cross multiply
    1,017,455,979.60x = 1,526,295,943.80 × 371,363,691.60
  4. Step 4: Simplify right side
    1,017,455,979.60x = 566,810,896,163,674,176
  5. Step 5: Solve for x
    x = 566,810,896,163,674,176/1,017,455,979.60
  6. Step 6: Final answer
    x = 557,086,407.20

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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.