Home / 434,382,912.30-651,574,368.45-311,301,176.70

Finding the Fourth Proportional to 434,382,912.30, 651,574,368.45 and 311,301,176.70

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Solution

The fourth proportional to 434,382,912.30, 651,574,368.45 and 311,301,176.70 is: 466,951,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,382,912.30 : 651,574,368.45 = 311,301,176.70 : x
  2. Step 2: Convert to fraction form
    434,382,912.30/651,574,368.45 = 311,301,176.70/x
  3. Step 3: Cross multiply
    434,382,912.30x = 651,574,368.45 × 311,301,176.70
  4. Step 4: Simplify right side
    434,382,912.30x = 202,835,867,606,044,352
  5. Step 5: Solve for x
    x = 202,835,867,606,044,352/434,382,912.30
  6. Step 6: Final answer
    x = 466,951,765.05

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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.