Home / 569,519,492.32-785,967,415.56-318,608,916.22

Finding the Fourth Proportional to 569,519,492.32, 785,967,415.56 and 318,608,916.22

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Solution

The fourth proportional to 569,519,492.32, 785,967,415.56 and 318,608,916.22 is: 439,697,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,519,492.32 : 785,967,415.56 = 318,608,916.22 : x
  2. Step 2: Convert to fraction form
    569,519,492.32/785,967,415.56 = 318,608,916.22/x
  3. Step 3: Cross multiply
    569,519,492.32x = 785,967,415.56 × 318,608,916.22
  4. Step 4: Simplify right side
    569,519,492.32x = 250,416,226,455,805,984
  5. Step 5: Solve for x
    x = 250,416,226,455,805,984/569,519,492.32
  6. Step 6: Final answer
    x = 439,697,376.18

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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.