Home / 452,457,785.74-678,688,846.18-137,326,552.04

Finding the Fourth Proportional to 452,457,785.74, 678,688,846.18 and 137,326,552.04

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Solution

The fourth proportional to 452,457,785.74, 678,688,846.18 and 137,326,552.04 is: 205,990,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,457,785.74 : 678,688,846.18 = 137,326,552.04 : x
  2. Step 2: Convert to fraction form
    452,457,785.74/678,688,846.18 = 137,326,552.04/x
  3. Step 3: Cross multiply
    452,457,785.74x = 678,688,846.18 × 137,326,552.04
  4. Step 4: Simplify right side
    452,457,785.74x = 93,201,999,151,642,384
  5. Step 5: Solve for x
    x = 93,201,999,151,642,384/452,457,785.74
  6. Step 6: Final answer
    x = 205,990,485.94

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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.