Home / 1,035,572,186.20-1,553,358,279.30-629,212,941.40

Finding the Fourth Proportional to 1,035,572,186.20, 1,553,358,279.30 and 629,212,941.40

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Solution

The fourth proportional to 1,035,572,186.20, 1,553,358,279.30 and 629,212,941.40 is: 943,819,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,572,186.20 : 1,553,358,279.30 = 629,212,941.40 : x
  2. Step 2: Convert to fraction form
    1,035,572,186.20/1,553,358,279.30 = 629,212,941.40/x
  3. Step 3: Cross multiply
    1,035,572,186.20x = 1,553,358,279.30 × 629,212,941.40
  4. Step 4: Simplify right side
    1,035,572,186.20x = 977,393,131,966,395,648
  5. Step 5: Solve for x
    x = 977,393,131,966,395,648/1,035,572,186.20
  6. Step 6: Final answer
    x = 943,819,412.10

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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.