Home / 927,563,190.49-1,280,653,583.99-712,598,974.89

Finding the Fourth Proportional to 927,563,190.49, 1,280,653,583.99 and 712,598,974.89

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Solution

The fourth proportional to 927,563,190.49, 1,280,653,583.99 and 712,598,974.89 is: 983,860,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,563,190.49 : 1,280,653,583.99 = 712,598,974.89 : x
  2. Step 2: Convert to fraction form
    927,563,190.49/1,280,653,583.99 = 712,598,974.89/x
  3. Step 3: Cross multiply
    927,563,190.49x = 1,280,653,583.99 × 712,598,974.89
  4. Step 4: Simplify right side
    927,563,190.49x = 912,592,431,140,478,464
  5. Step 5: Solve for x
    x = 912,592,431,140,478,464/927,563,190.49
  6. Step 6: Final answer
    x = 983,860,119.18

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1.5x scale

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.