Home / 1,391,386,421.71-1,920,323,150.01-848,542,297.93

Finding the Fourth Proportional to 1,391,386,421.71, 1,920,323,150.01 and 848,542,297.93

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Solution

The fourth proportional to 1,391,386,421.71, 1,920,323,150.01 and 848,542,297.93 is: 1,171,116,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,386,421.71 : 1,920,323,150.01 = 848,542,297.93 : x
  2. Step 2: Convert to fraction form
    1,391,386,421.71/1,920,323,150.01 = 848,542,297.93/x
  3. Step 3: Cross multiply
    1,391,386,421.71x = 1,920,323,150.01 × 848,542,297.93
  4. Step 4: Simplify right side
    1,391,386,421.71x = 1,629,475,418,477,661,440
  5. Step 5: Solve for x
    x = 1,629,475,418,477,661,440/1,391,386,421.71
  6. Step 6: Final answer
    x = 1,171,116,372.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.