Home / 530,355,808,109.90-795,533,711,265.80-127,439,278,398.91

Finding the Fourth Proportional to 530,355,808,109.90, 795,533,711,265.80 and 127,439,278,398.91

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Solution

The fourth proportional to 530,355,808,109.90, 795,533,711,265.80 and 127,439,278,398.91 is: 191,158,917,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,355,808,109.90 : 795,533,711,265.80 = 127,439,278,398.91 : x
  2. Step 2: Convert to fraction form
    530,355,808,109.90/795,533,711,265.80 = 127,439,278,398.91/x
  3. Step 3: Cross multiply
    530,355,808,109.90x = 795,533,711,265.80 × 127,439,278,398.91
  4. Step 4: Simplify right side
    530,355,808,109.90x = 101,382,242,105,720,385,306,624
  5. Step 5: Solve for x
    x = 101,382,242,105,720,385,306,624/530,355,808,109.90
  6. Step 6: Final answer
    x = 191,158,917,382.33

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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.