Home / 522,660,531.84-783,931,078.08-139,737,943.68

Finding the Fourth Proportional to 522,660,531.84, 783,931,078.08 and 139,737,943.68

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Solution

The fourth proportional to 522,660,531.84, 783,931,078.08 and 139,737,943.68 is: 209,590,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,660,531.84 : 783,931,078.08 = 139,737,943.68 : x
  2. Step 2: Convert to fraction form
    522,660,531.84/783,931,078.08 = 139,737,943.68/x
  3. Step 3: Cross multiply
    522,660,531.84x = 783,931,078.08 × 139,737,943.68
  4. Step 4: Simplify right side
    522,660,531.84x = 109,544,916,837,744,736
  5. Step 5: Solve for x
    x = 109,544,916,837,744,736/522,660,531.84
  6. Step 6: Final answer
    x = 209,590,948.93

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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.