Home / 989,786,584.66-1,484,871,063.72-376,323,111.94

Finding the Fourth Proportional to 989,786,584.66, 1,484,871,063.72 and 376,323,111.94

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Solution

The fourth proportional to 989,786,584.66, 1,484,871,063.72 and 376,323,111.94 is: 564,557,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,786,584.66 : 1,484,871,063.72 = 376,323,111.94 : x
  2. Step 2: Convert to fraction form
    989,786,584.66/1,484,871,063.72 = 376,323,111.94/x
  3. Step 3: Cross multiply
    989,786,584.66x = 1,484,871,063.72 × 376,323,111.94
  4. Step 4: Simplify right side
    989,786,584.66x = 558,791,299,528,768,448
  5. Step 5: Solve for x
    x = 558,791,299,528,768,448/989,786,584.66
  6. Step 6: Final answer
    x = 564,557,358.31

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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.