Home / 517,403,652.17-714,019,940.15-294,385,328.39

Finding the Fourth Proportional to 517,403,652.17, 714,019,940.15 and 294,385,328.39

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Solution

The fourth proportional to 517,403,652.17, 714,019,940.15 and 294,385,328.39 is: 406,253,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,403,652.17 : 714,019,940.15 = 294,385,328.39 : x
  2. Step 2: Convert to fraction form
    517,403,652.17/714,019,940.15 = 294,385,328.39/x
  3. Step 3: Cross multiply
    517,403,652.17x = 714,019,940.15 × 294,385,328.39
  4. Step 4: Simplify right side
    517,403,652.17x = 210,196,994,558,065,888
  5. Step 5: Solve for x
    x = 210,196,994,558,065,888/517,403,652.17
  6. Step 6: Final answer
    x = 406,253,403.27

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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.