Home / 781,662,225.78-1,172,531,048.13-257,019,712.46

Finding the Fourth Proportional to 781,662,225.78, 1,172,531,048.13 and 257,019,712.46

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Solution

The fourth proportional to 781,662,225.78, 1,172,531,048.13 and 257,019,712.46 is: 385,541,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,662,225.78 : 1,172,531,048.13 = 257,019,712.46 : x
  2. Step 2: Convert to fraction form
    781,662,225.78/1,172,531,048.13 = 257,019,712.46/x
  3. Step 3: Cross multiply
    781,662,225.78x = 1,172,531,048.13 × 257,019,712.46
  4. Step 4: Simplify right side
    781,662,225.78x = 301,363,592,834,932,416
  5. Step 5: Solve for x
    x = 301,363,592,834,932,416/781,662,225.78
  6. Step 6: Final answer
    x = 385,541,968.00

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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.