Home / 629,877,237.70-944,815,856.55-357,779,445.70

Finding the Fourth Proportional to 629,877,237.70, 944,815,856.55 and 357,779,445.70

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Solution

The fourth proportional to 629,877,237.70, 944,815,856.55 and 357,779,445.70 is: 536,669,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,877,237.70 : 944,815,856.55 = 357,779,445.70 : x
  2. Step 2: Convert to fraction form
    629,877,237.70/944,815,856.55 = 357,779,445.70/x
  3. Step 3: Cross multiply
    629,877,237.70x = 944,815,856.55 × 357,779,445.70
  4. Step 4: Simplify right side
    629,877,237.70x = 338,035,693,445,029,696
  5. Step 5: Solve for x
    x = 338,035,693,445,029,696/629,877,237.70
  6. Step 6: Final answer
    x = 536,669,168.55

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Double scale
Find fourth proportional to 629,877,238.70, 944,815,858.05 and 357,779,446.70
Similar ratio
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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.