Home / 912,832,203.48-1,259,707,149.56-495,143,984.40

Finding the Fourth Proportional to 912,832,203.48, 1,259,707,149.56 and 495,143,984.40

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Solution

The fourth proportional to 912,832,203.48, 1,259,707,149.56 and 495,143,984.40 is: 683,297,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,832,203.48 : 1,259,707,149.56 = 495,143,984.40 : x
  2. Step 2: Convert to fraction form
    912,832,203.48/1,259,707,149.56 = 495,143,984.40/x
  3. Step 3: Cross multiply
    912,832,203.48x = 1,259,707,149.56 × 495,143,984.40
  4. Step 4: Simplify right side
    912,832,203.48x = 623,736,417,210,305,024
  5. Step 5: Solve for x
    x = 623,736,417,210,305,024/912,832,203.48
  6. Step 6: Final answer
    x = 683,297,998.07

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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.