Home / 1,046,412,011.60-1,569,334,582.20-309,480,491.60

Finding the Fourth Proportional to 1,046,412,011.60, 1,569,334,582.20 and 309,480,491.60

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Solution

The fourth proportional to 1,046,412,011.60, 1,569,334,582.20 and 309,480,491.60 is: 464,136,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,412,011.60 : 1,569,334,582.20 = 309,480,491.60 : x
  2. Step 2: Convert to fraction form
    1,046,412,011.60/1,569,334,582.20 = 309,480,491.60/x
  3. Step 3: Cross multiply
    1,046,412,011.60x = 1,569,334,582.20 × 309,480,491.60
  4. Step 4: Simplify right side
    1,046,412,011.60x = 485,678,437,984,136,640
  5. Step 5: Solve for x
    x = 485,678,437,984,136,640/1,046,412,011.60
  6. Step 6: Final answer
    x = 464,136,910.32

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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.