Home / 605,601,686.77-908,564,017.93-217,427,880.15

Finding the Fourth Proportional to 605,601,686.77, 908,564,017.93 and 217,427,880.15

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Solution

The fourth proportional to 605,601,686.77, 908,564,017.93 and 217,427,880.15 is: 326,199,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,601,686.77 : 908,564,017.93 = 217,427,880.15 : x
  2. Step 2: Convert to fraction form
    605,601,686.77/908,564,017.93 = 217,427,880.15/x
  3. Step 3: Cross multiply
    605,601,686.77x = 908,564,017.93 × 217,427,880.15
  4. Step 4: Simplify right side
    605,601,686.77x = 197,547,148,398,542,944
  5. Step 5: Solve for x
    x = 197,547,148,398,542,944/605,601,686.77
  6. Step 6: Final answer
    x = 326,199,798.84

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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.