Home / 403,525,916.40-605,111,727.60-185,103,665.40

Finding the Fourth Proportional to 403,525,916.40, 605,111,727.60 and 185,103,665.40

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Solution

The fourth proportional to 403,525,916.40, 605,111,727.60 and 185,103,665.40 is: 277,574,237.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,525,916.40 : 605,111,727.60 = 185,103,665.40 : x
  2. Step 2: Convert to fraction form
    403,525,916.40/605,111,727.60 = 185,103,665.40/x
  3. Step 3: Cross multiply
    403,525,916.40x = 605,111,727.60 × 185,103,665.40
  4. Step 4: Simplify right side
    403,525,916.40x = 112,008,398,755,286,352
  5. Step 5: Solve for x
    x = 112,008,398,755,286,352/403,525,916.40
  6. Step 6: Final answer
    x = 277,574,237.99

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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.