Home / 3,118,918,403.46-4,678,336,740.14-758,072,503.78

Finding the Fourth Proportional to 3,118,918,403.46, 4,678,336,740.14 and 758,072,503.78

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Solution

The fourth proportional to 3,118,918,403.46, 4,678,336,740.14 and 758,072,503.78 is: 1,137,098,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,918,403.46 : 4,678,336,740.14 = 758,072,503.78 : x
  2. Step 2: Convert to fraction form
    3,118,918,403.46/4,678,336,740.14 = 758,072,503.78/x
  3. Step 3: Cross multiply
    3,118,918,403.46x = 4,678,336,740.14 × 758,072,503.78
  4. Step 4: Simplify right side
    3,118,918,403.46x = 3,546,518,446,123,893,248
  5. Step 5: Solve for x
    x = 3,546,518,446,123,893,248/3,118,918,403.46
  6. Step 6: Final answer
    x = 1,137,098,823.17

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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.