Home / 1,252,585,457,037.40-1,878,109,247,558.60-486,779,437,948.32

Finding the Fourth Proportional to 1,252,585,457,037.40, 1,878,109,247,558.60 and 486,779,437,948.32

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Solution

The fourth proportional to 1,252,585,457,037.40, 1,878,109,247,558.60 and 486,779,437,948.32 is: 729,870,332,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,585,457,037.40 : 1,878,109,247,558.60 = 486,779,437,948.32 : x
  2. Step 2: Convert to fraction form
    1,252,585,457,037.40/1,878,109,247,558.60 = 486,779,437,948.32/x
  3. Step 3: Cross multiply
    1,252,585,457,037.40x = 1,878,109,247,558.60 × 486,779,437,948.32
  4. Step 4: Simplify right side
    1,252,585,457,037.40x = 914,224,963,932,117,601,878,016
  5. Step 5: Solve for x
    x = 914,224,963,932,117,601,878,016/1,252,585,457,037.40
  6. Step 6: Final answer
    x = 729,870,332,435.79

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Double scale
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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.