Home / 470,346,193.32-705,473,675.64-142,824,543.36

Finding the Fourth Proportional to 470,346,193.32, 705,473,675.64 and 142,824,543.36

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Solution

The fourth proportional to 470,346,193.32, 705,473,675.64 and 142,824,543.36 is: 214,222,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,346,193.32 : 705,473,675.64 = 142,824,543.36 : x
  2. Step 2: Convert to fraction form
    470,346,193.32/705,473,675.64 = 142,824,543.36/x
  3. Step 3: Cross multiply
    470,346,193.32x = 705,473,675.64 × 142,824,543.36
  4. Step 4: Simplify right side
    470,346,193.32x = 100,758,955,575,783,760
  5. Step 5: Solve for x
    x = 100,758,955,575,783,760/470,346,193.32
  6. Step 6: Final answer
    x = 214,222,963.87

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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.