Home / 1,296,927,261.32-1,945,510,483.92-423,533,207.08

Finding the Fourth Proportional to 1,296,927,261.32, 1,945,510,483.92 and 423,533,207.08

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Solution

The fourth proportional to 1,296,927,261.32, 1,945,510,483.92 and 423,533,207.08 is: 635,338,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,927,261.32 : 1,945,510,483.92 = 423,533,207.08 : x
  2. Step 2: Convert to fraction form
    1,296,927,261.32/1,945,510,483.92 = 423,533,207.08/x
  3. Step 3: Cross multiply
    1,296,927,261.32x = 1,945,510,483.92 × 423,533,207.08
  4. Step 4: Simplify right side
    1,296,927,261.32x = 823,988,294,662,400,384
  5. Step 5: Solve for x
    x = 823,988,294,662,400,384/1,296,927,261.32
  6. Step 6: Final answer
    x = 635,338,865.36

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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.