Home / 353,449,847,703.66-530,174,778,569.97-84,838,827,935.36

Finding the Fourth Proportional to 353,449,847,703.66, 530,174,778,569.97 and 84,838,827,935.36

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Solution

The fourth proportional to 353,449,847,703.66, 530,174,778,569.97 and 84,838,827,935.36 is: 127,258,243,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,449,847,703.66 : 530,174,778,569.97 = 84,838,827,935.36 : x
  2. Step 2: Convert to fraction form
    353,449,847,703.66/530,174,778,569.97 = 84,838,827,935.36/x
  3. Step 3: Cross multiply
    353,449,847,703.66x = 530,174,778,569.97 × 84,838,827,935.36
  4. Step 4: Simplify right side
    353,449,847,703.66x = 44,979,406,814,762,615,439,360
  5. Step 5: Solve for x
    x = 44,979,406,814,762,615,439,360/353,449,847,703.66
  6. Step 6: Final answer
    x = 127,258,243,586.72

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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.