Home / 708,589,038.70-1,062,883,558.05-417,306,226.60

Finding the Fourth Proportional to 708,589,038.70, 1,062,883,558.05 and 417,306,226.60

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Solution

The fourth proportional to 708,589,038.70, 1,062,883,558.05 and 417,306,226.60 is: 625,959,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,038.70 : 1,062,883,558.05 = 417,306,226.60 : x
  2. Step 2: Convert to fraction form
    708,589,038.70/1,062,883,558.05 = 417,306,226.60/x
  3. Step 3: Cross multiply
    708,589,038.70x = 1,062,883,558.05 × 417,306,226.60
  4. Step 4: Simplify right side
    708,589,038.70x = 443,547,926,925,027,584
  5. Step 5: Solve for x
    x = 443,547,926,925,027,584/708,589,038.70
  6. Step 6: Final answer
    x = 625,959,339.90

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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.