Home / 1,809,671,648.40-2,714,507,472.60-646,453,587.60

Finding the Fourth Proportional to 1,809,671,648.40, 2,714,507,472.60 and 646,453,587.60

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Solution

The fourth proportional to 1,809,671,648.40, 2,714,507,472.60 and 646,453,587.60 is: 969,680,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,671,648.40 : 2,714,507,472.60 = 646,453,587.60 : x
  2. Step 2: Convert to fraction form
    1,809,671,648.40/2,714,507,472.60 = 646,453,587.60/x
  3. Step 3: Cross multiply
    1,809,671,648.40x = 2,714,507,472.60 × 646,453,587.60
  4. Step 4: Simplify right side
    1,809,671,648.40x = 1,754,803,094,229,278,720
  5. Step 5: Solve for x
    x = 1,754,803,094,229,278,720/1,809,671,648.40
  6. Step 6: Final answer
    x = 969,680,381.40

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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.