Home / 991,784,254.64-1,487,891,615.58-301,673,572.47

Finding the Fourth Proportional to 991,784,254.64, 1,487,891,615.58 and 301,673,572.47

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Solution

The fourth proportional to 991,784,254.64, 1,487,891,615.58 and 301,673,572.47 is: 452,575,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,784,254.64 : 1,487,891,615.58 = 301,673,572.47 : x
  2. Step 2: Convert to fraction form
    991,784,254.64/1,487,891,615.58 = 301,673,572.47/x
  3. Step 3: Cross multiply
    991,784,254.64x = 1,487,891,615.58 × 301,673,572.47
  4. Step 4: Simplify right side
    991,784,254.64x = 448,857,579,120,178,560
  5. Step 5: Solve for x
    x = 448,857,579,120,178,560/991,784,254.64
  6. Step 6: Final answer
    x = 452,575,826.87

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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.