Home / 761,242,296.96-1,050,493,961.52-447,994,962.72

Finding the Fourth Proportional to 761,242,296.96, 1,050,493,961.52 and 447,994,962.72

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Solution

The fourth proportional to 761,242,296.96, 1,050,493,961.52 and 447,994,962.72 is: 618,221,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,242,296.96 : 1,050,493,961.52 = 447,994,962.72 : x
  2. Step 2: Convert to fraction form
    761,242,296.96/1,050,493,961.52 = 447,994,962.72/x
  3. Step 3: Cross multiply
    761,242,296.96x = 1,050,493,961.52 × 447,994,962.72
  4. Step 4: Simplify right side
    761,242,296.96x = 470,616,003,128,737,536
  5. Step 5: Solve for x
    x = 470,616,003,128,737,536/761,242,296.96
  6. Step 6: Final answer
    x = 618,221,038.17

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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.