Home / 450,689,030,804.74-621,965,778,193.58-247,699,996,505.86

Finding the Fourth Proportional to 450,689,030,804.74, 621,965,778,193.58 and 247,699,996,505.86

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Solution

The fourth proportional to 450,689,030,804.74, 621,965,778,193.58 and 247,699,996,505.86 is: 341,834,192,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,689,030,804.74 : 621,965,778,193.58 = 247,699,996,505.86 : x
  2. Step 2: Convert to fraction form
    450,689,030,804.74/621,965,778,193.58 = 247,699,996,505.86/x
  3. Step 3: Cross multiply
    450,689,030,804.74x = 621,965,778,193.58 × 247,699,996,505.86
  4. Step 4: Simplify right side
    450,689,030,804.74x = 154,060,921,085,314,226,716,672
  5. Step 5: Solve for x
    x = 154,060,921,085,314,226,716,672/450,689,030,804.74
  6. Step 6: Final answer
    x = 341,834,192,880.68

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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.