Home / 890,433,588,051.54-1,228,730,915,274.80-499,724,693,240.22

Finding the Fourth Proportional to 890,433,588,051.54, 1,228,730,915,274.80 and 499,724,693,240.22

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Solution

The fourth proportional to 890,433,588,051.54, 1,228,730,915,274.80 and 499,724,693,240.22 is: 689,582,230,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,433,588,051.54 : 1,228,730,915,274.80 = 499,724,693,240.22 : x
  2. Step 2: Convert to fraction form
    890,433,588,051.54/1,228,730,915,274.80 = 499,724,693,240.22/x
  3. Step 3: Cross multiply
    890,433,588,051.54x = 1,228,730,915,274.80 × 499,724,693,240.22
  4. Step 4: Simplify right side
    890,433,588,051.54x = 614,027,179,710,474,126,098,432
  5. Step 5: Solve for x
    x = 614,027,179,710,474,126,098,432/890,433,588,051.54
  6. Step 6: Final answer
    x = 689,582,230,443.60

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.