Home / 601,869,943.40-902,804,915.10-538,734,752.60

Finding the Fourth Proportional to 601,869,943.40, 902,804,915.10 and 538,734,752.60

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Solution

The fourth proportional to 601,869,943.40, 902,804,915.10 and 538,734,752.60 is: 808,102,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,869,943.40 : 902,804,915.10 = 538,734,752.60 : x
  2. Step 2: Convert to fraction form
    601,869,943.40/902,804,915.10 = 538,734,752.60/x
  3. Step 3: Cross multiply
    601,869,943.40x = 902,804,915.10 × 538,734,752.60
  4. Step 4: Simplify right side
    601,869,943.40x = 486,372,382,582,462,528
  5. Step 5: Solve for x
    x = 486,372,382,582,462,528/601,869,943.40
  6. Step 6: Final answer
    x = 808,102,128.90

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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.