Home / 700,932,412.49-1,051,400,399.66-286,409,234.61

Finding the Fourth Proportional to 700,932,412.49, 1,051,400,399.66 and 286,409,234.61

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Solution

The fourth proportional to 700,932,412.49, 1,051,400,399.66 and 286,409,234.61 is: 429,614,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,932,412.49 : 1,051,400,399.66 = 286,409,234.61 : x
  2. Step 2: Convert to fraction form
    700,932,412.49/1,051,400,399.66 = 286,409,234.61/x
  3. Step 3: Cross multiply
    700,932,412.49x = 1,051,400,399.66 × 286,409,234.61
  4. Step 4: Simplify right side
    700,932,412.49x = 301,130,783,733,836,672
  5. Step 5: Solve for x
    x = 301,130,783,733,836,672/700,932,412.49
  6. Step 6: Final answer
    x = 429,614,579.62

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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.