Home / 858,295,424.11-1,285,566,095.02-608,543,637.15

Finding the Fourth Proportional to 858,295,424.11, 1,285,566,095.02 and 608,543,637.15

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Solution

The fourth proportional to 858,295,424.11, 1,285,566,095.02 and 608,543,637.15 is: 911,484,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,295,424.11 : 1,285,566,095.02 = 608,543,637.15 : x
  2. Step 2: Convert to fraction form
    858,295,424.11/1,285,566,095.02 = 608,543,637.15/x
  3. Step 3: Cross multiply
    858,295,424.11x = 1,285,566,095.02 × 608,543,637.15
  4. Step 4: Simplify right side
    858,295,424.11x = 782,323,067,264,928,640
  5. Step 5: Solve for x
    x = 782,323,067,264,928,640/858,295,424.11
  6. Step 6: Final answer
    x = 911,484,606.92

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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.