Home / 692,130,796.76-1,038,242,481.98-243,380,573.91

Finding the Fourth Proportional to 692,130,796.76, 1,038,242,481.98 and 243,380,573.91

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Solution

The fourth proportional to 692,130,796.76, 1,038,242,481.98 and 243,380,573.91 is: 365,087,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,130,796.76 : 1,038,242,481.98 = 243,380,573.91 : x
  2. Step 2: Convert to fraction form
    692,130,796.76/1,038,242,481.98 = 243,380,573.91/x
  3. Step 3: Cross multiply
    692,130,796.76x = 1,038,242,481.98 × 243,380,573.91
  4. Step 4: Simplify right side
    692,130,796.76x = 252,688,051,120,818,336
  5. Step 5: Solve for x
    x = 252,688,051,120,818,336/692,130,796.76
  6. Step 6: Final answer
    x = 365,087,137.15

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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.