Home / 559,312,128,520.55-838,968,192,780.80-559,312,128,520.55

Finding the Fourth Proportional to 559,312,128,520.55, 838,968,192,780.80 and 559,312,128,520.55

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Solution

The fourth proportional to 559,312,128,520.55, 838,968,192,780.80 and 559,312,128,520.55 is: 838,968,192,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,312,128,520.55 : 838,968,192,780.80 = 559,312,128,520.55 : x
  2. Step 2: Convert to fraction form
    559,312,128,520.55/838,968,192,780.80 = 559,312,128,520.55/x
  3. Step 3: Cross multiply
    559,312,128,520.55x = 838,968,192,780.80 × 559,312,128,520.55
  4. Step 4: Simplify right side
    559,312,128,520.55x = 469,245,085,665,268,426,866,688
  5. Step 5: Solve for x
    x = 469,245,085,665,268,426,866,688/559,312,128,520.55
  6. Step 6: Final answer
    x = 838,968,192,780.80

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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.