Home / 1,296,927,300.51-1,945,510,542.81-423,533,246.40

Finding the Fourth Proportional to 1,296,927,300.51, 1,945,510,542.81 and 423,533,246.40

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Solution

The fourth proportional to 1,296,927,300.51, 1,945,510,542.81 and 423,533,246.40 is: 635,338,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,927,300.51 : 1,945,510,542.81 = 423,533,246.40 : x
  2. Step 2: Convert to fraction form
    1,296,927,300.51/1,945,510,542.81 = 423,533,246.40/x
  3. Step 3: Cross multiply
    1,296,927,300.51x = 1,945,510,542.81 × 423,533,246.40
  4. Step 4: Simplify right side
    1,296,927,300.51x = 823,988,396,101,745,408
  5. Step 5: Solve for x
    x = 823,988,396,101,745,408/1,296,927,300.51
  6. Step 6: Final answer
    x = 635,338,924.38

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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.