Home / 3,121,125,496.52-4,678,411,010.69-1,050,128,263.04

Finding the Fourth Proportional to 3,121,125,496.52, 4,678,411,010.69 and 1,050,128,263.04

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Solution

The fourth proportional to 3,121,125,496.52, 4,678,411,010.69 and 1,050,128,263.04 is: 1,574,089,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,125,496.52 : 4,678,411,010.69 = 1,050,128,263.04 : x
  2. Step 2: Convert to fraction form
    3,121,125,496.52/4,678,411,010.69 = 1,050,128,263.04/x
  3. Step 3: Cross multiply
    3,121,125,496.52x = 4,678,411,010.69 × 1,050,128,263.04
  4. Step 4: Simplify right side
    3,121,125,496.52x = 4,912,931,628,414,457,856
  5. Step 5: Solve for x
    x = 4,912,931,628,414,457,856/3,121,125,496.52
  6. Step 6: Final answer
    x = 1,574,089,742.27

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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.