Home / 459,690,346.40-634,386,136.84-250,859,949.36

Finding the Fourth Proportional to 459,690,346.40, 634,386,136.84 and 250,859,949.36

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Solution

The fourth proportional to 459,690,346.40, 634,386,136.84 and 250,859,949.36 is: 346,194,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,690,346.40 : 634,386,136.84 = 250,859,949.36 : x
  2. Step 2: Convert to fraction form
    459,690,346.40/634,386,136.84 = 250,859,949.36/x
  3. Step 3: Cross multiply
    459,690,346.40x = 634,386,136.84 × 250,859,949.36
  4. Step 4: Simplify right side
    459,690,346.40x = 159,142,074,162,368,448
  5. Step 5: Solve for x
    x = 159,142,074,162,368,448/459,690,346.40
  6. Step 6: Final answer
    x = 346,194,074.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.