Home / 919,853,974.86-1,269,392,027.73-502,166,260.14

Finding the Fourth Proportional to 919,853,974.86, 1,269,392,027.73 and 502,166,260.14

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Solution

The fourth proportional to 919,853,974.86, 1,269,392,027.73 and 502,166,260.14 is: 692,985,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,853,974.86 : 1,269,392,027.73 = 502,166,260.14 : x
  2. Step 2: Convert to fraction form
    919,853,974.86/1,269,392,027.73 = 502,166,260.14/x
  3. Step 3: Cross multiply
    919,853,974.86x = 1,269,392,027.73 × 502,166,260.14
  4. Step 4: Simplify right side
    919,853,974.86x = 637,445,847,216,705,280
  5. Step 5: Solve for x
    x = 637,445,847,216,705,280/919,853,974.86
  6. Step 6: Final answer
    x = 692,985,913.68

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Double scale
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1.5x scale

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.