Home / 755,365,265.10-1,133,047,897.65-448,499,421.90

Finding the Fourth Proportional to 755,365,265.10, 1,133,047,897.65 and 448,499,421.90

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Solution

The fourth proportional to 755,365,265.10, 1,133,047,897.65 and 448,499,421.90 is: 672,749,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,365,265.10 : 1,133,047,897.65 = 448,499,421.90 : x
  2. Step 2: Convert to fraction form
    755,365,265.10/1,133,047,897.65 = 448,499,421.90/x
  3. Step 3: Cross multiply
    755,365,265.10x = 1,133,047,897.65 × 448,499,421.90
  4. Step 4: Simplify right side
    755,365,265.10x = 508,171,327,081,035,392
  5. Step 5: Solve for x
    x = 508,171,327,081,035,392/755,365,265.10
  6. Step 6: Final answer
    x = 672,749,132.85

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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.