Home / 1,017,216,477.60-1,525,824,716.40-251,311,581.60

Finding the Fourth Proportional to 1,017,216,477.60, 1,525,824,716.40 and 251,311,581.60

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Solution

The fourth proportional to 1,017,216,477.60, 1,525,824,716.40 and 251,311,581.60 is: 376,967,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,216,477.60 : 1,525,824,716.40 = 251,311,581.60 : x
  2. Step 2: Convert to fraction form
    1,017,216,477.60/1,525,824,716.40 = 251,311,581.60/x
  3. Step 3: Cross multiply
    1,017,216,477.60x = 1,525,824,716.40 × 251,311,581.60
  4. Step 4: Simplify right side
    1,017,216,477.60x = 383,457,422,722,855,488
  5. Step 5: Solve for x
    x = 383,457,422,722,855,488/1,017,216,477.60
  6. Step 6: Final answer
    x = 376,967,372.40

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Double scale
Find fourth proportional to 1,017,216,478.60, 1,525,824,717.90 and 251,311,582.60
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.