Home / 539,196,169.13-808,817,332.05-211,742,535.35

Finding the Fourth Proportional to 539,196,169.13, 808,817,332.05 and 211,742,535.35

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Solution

The fourth proportional to 539,196,169.13, 808,817,332.05 and 211,742,535.35 is: 317,622,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,196,169.13 : 808,817,332.05 = 211,742,535.35 : x
  2. Step 2: Convert to fraction form
    539,196,169.13/808,817,332.05 = 211,742,535.35/x
  3. Step 3: Cross multiply
    539,196,169.13x = 808,817,332.05 × 211,742,535.35
  4. Step 4: Simplify right side
    539,196,169.13x = 171,261,032,519,245,728
  5. Step 5: Solve for x
    x = 171,261,032,519,245,728/539,196,169.13
  6. Step 6: Final answer
    x = 317,622,865.89

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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.