Home / 834,069,779.70-1,251,104,669.55-769,572,525.30

Finding the Fourth Proportional to 834,069,779.70, 1,251,104,669.55 and 769,572,525.30

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Solution

The fourth proportional to 834,069,779.70, 1,251,104,669.55 and 769,572,525.30 is: 1,154,358,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,069,779.70 : 1,251,104,669.55 = 769,572,525.30 : x
  2. Step 2: Convert to fraction form
    834,069,779.70/1,251,104,669.55 = 769,572,525.30/x
  3. Step 3: Cross multiply
    834,069,779.70x = 1,251,104,669.55 × 769,572,525.30
  4. Step 4: Simplify right side
    834,069,779.70x = 962,815,779,960,215,424
  5. Step 5: Solve for x
    x = 962,815,779,960,215,424/834,069,779.70
  6. Step 6: Final answer
    x = 1,154,358,787.95

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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.