Home / 450,689,030,778.74-621,965,778,157.55-247,699,996,479.86

Finding the Fourth Proportional to 450,689,030,778.74, 621,965,778,157.55 and 247,699,996,479.86

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Solution

The fourth proportional to 450,689,030,778.74, 621,965,778,157.55 and 247,699,996,479.86 is: 341,834,192,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,689,030,778.74 : 621,965,778,157.55 = 247,699,996,479.86 : x
  2. Step 2: Convert to fraction form
    450,689,030,778.74/621,965,778,157.55 = 247,699,996,479.86/x
  3. Step 3: Cross multiply
    450,689,030,778.74x = 621,965,778,157.55 × 247,699,996,479.86
  4. Step 4: Simplify right side
    450,689,030,778.74x = 154,060,921,060,218,531,479,552
  5. Step 5: Solve for x
    x = 154,060,921,060,218,531,479,552/450,689,030,778.74
  6. Step 6: Final answer
    x = 341,834,192,844.72

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1.5x scale

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.