Home / 835,506,407.36-1,152,929,540.64-459,143,205.44

Finding the Fourth Proportional to 835,506,407.36, 1,152,929,540.64 and 459,143,205.44

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Solution

The fourth proportional to 835,506,407.36, 1,152,929,540.64 and 459,143,205.44 is: 633,579,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,506,407.36 : 1,152,929,540.64 = 459,143,205.44 : x
  2. Step 2: Convert to fraction form
    835,506,407.36/1,152,929,540.64 = 459,143,205.44/x
  3. Step 3: Cross multiply
    835,506,407.36x = 1,152,929,540.64 × 459,143,205.44
  4. Step 4: Simplify right side
    835,506,407.36x = 529,359,764,935,916,416
  5. Step 5: Solve for x
    x = 529,359,764,935,916,416/835,506,407.36
  6. Step 6: Final answer
    x = 633,579,539.63

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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.