Home / 566,249,667.05-781,448,784.42-315,354,058.20

Finding the Fourth Proportional to 566,249,667.05, 781,448,784.42 and 315,354,058.20

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Solution

The fourth proportional to 566,249,667.05, 781,448,784.42 and 315,354,058.20 is: 435,202,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,249,667.05 : 781,448,784.42 = 315,354,058.20 : x
  2. Step 2: Convert to fraction form
    566,249,667.05/781,448,784.42 = 315,354,058.20/x
  3. Step 3: Cross multiply
    566,249,667.05x = 781,448,784.42 × 315,354,058.20
  4. Step 4: Simplify right side
    566,249,667.05x = 246,433,045,442,303,904
  5. Step 5: Solve for x
    x = 246,433,045,442,303,904/566,249,667.05
  6. Step 6: Final answer
    x = 435,202,102.15

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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.