Home / 885,732,424.30-1,328,598,636.45-425,559,630.70

Finding the Fourth Proportional to 885,732,424.30, 1,328,598,636.45 and 425,559,630.70

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Solution

The fourth proportional to 885,732,424.30, 1,328,598,636.45 and 425,559,630.70 is: 638,339,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,732,424.30 : 1,328,598,636.45 = 425,559,630.70 : x
  2. Step 2: Convert to fraction form
    885,732,424.30/1,328,598,636.45 = 425,559,630.70/x
  3. Step 3: Cross multiply
    885,732,424.30x = 1,328,598,636.45 × 425,559,630.70
  4. Step 4: Simplify right side
    885,732,424.30x = 565,397,945,076,185,536
  5. Step 5: Solve for x
    x = 565,397,945,076,185,536/885,732,424.30
  6. Step 6: Final answer
    x = 638,339,446.05

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Double scale
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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.