Home / 340,509,090.47-469,410,753.02-242,553,885.35

Finding the Fourth Proportional to 340,509,090.47, 469,410,753.02 and 242,553,885.35

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Solution

The fourth proportional to 340,509,090.47, 469,410,753.02 and 242,553,885.35 is: 334,374,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,509,090.47 : 469,410,753.02 = 242,553,885.35 : x
  2. Step 2: Convert to fraction form
    340,509,090.47/469,410,753.02 = 242,553,885.35/x
  3. Step 3: Cross multiply
    340,509,090.47x = 469,410,753.02 × 242,553,885.35
  4. Step 4: Simplify right side
    340,509,090.47x = 113,857,401,966,510,416
  5. Step 5: Solve for x
    x = 113,857,401,966,510,416/340,509,090.47
  6. Step 6: Final answer
    x = 334,374,045.08

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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.