Home / 1,010,979,143.40-1,516,636,676.70-397,583,380.20

Finding the Fourth Proportional to 1,010,979,143.40, 1,516,636,676.70 and 397,583,380.20

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Solution

The fourth proportional to 1,010,979,143.40, 1,516,636,676.70 and 397,583,380.20 is: 596,441,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,979,143.40 : 1,516,636,676.70 = 397,583,380.20 : x
  2. Step 2: Convert to fraction form
    1,010,979,143.40/1,516,636,676.70 = 397,583,380.20/x
  3. Step 3: Cross multiply
    1,010,979,143.40x = 1,516,636,676.70 × 397,583,380.20
  4. Step 4: Simplify right side
    1,010,979,143.40x = 602,989,536,457,680,640
  5. Step 5: Solve for x
    x = 602,989,536,457,680,640/1,010,979,143.40
  6. Step 6: Final answer
    x = 596,441,123.83

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1.5x scale

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.