Home / 353,449,847,702.16-530,174,778,567.72-84,838,827,933.86

Finding the Fourth Proportional to 353,449,847,702.16, 530,174,778,567.72 and 84,838,827,933.86

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Solution

The fourth proportional to 353,449,847,702.16, 530,174,778,567.72 and 84,838,827,933.86 is: 127,258,243,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,449,847,702.16 : 530,174,778,567.72 = 84,838,827,933.86 : x
  2. Step 2: Convert to fraction form
    353,449,847,702.16/530,174,778,567.72 = 84,838,827,933.86/x
  3. Step 3: Cross multiply
    353,449,847,702.16x = 530,174,778,567.72 × 84,838,827,933.86
  4. Step 4: Simplify right side
    353,449,847,702.16x = 44,979,406,813,776,467,460,096
  5. Step 5: Solve for x
    x = 44,979,406,813,776,467,460,096/353,449,847,702.16
  6. Step 6: Final answer
    x = 127,258,243,584.47

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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.