Home / 506,506,115,812.41-698,978,439,821.07-289,732,310,353.89

Finding the Fourth Proportional to 506,506,115,812.41, 698,978,439,821.07 and 289,732,310,353.89

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Solution

The fourth proportional to 506,506,115,812.41, 698,978,439,821.07 and 289,732,310,353.89 is: 399,830,588,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,506,115,812.41 : 698,978,439,821.07 = 289,732,310,353.89 : x
  2. Step 2: Convert to fraction form
    506,506,115,812.41/698,978,439,821.07 = 289,732,310,353.89/x
  3. Step 3: Cross multiply
    506,506,115,812.41x = 698,978,439,821.07 × 289,732,310,353.89
  4. Step 4: Simplify right side
    506,506,115,812.41x = 202,516,638,256,916,076,691,456
  5. Step 5: Solve for x
    x = 202,516,638,256,916,076,691,456/506,506,115,812.41
  6. Step 6: Final answer
    x = 399,830,588,288.34

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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.