Home / 899,379,763.19-1,241,048,522.01-497,429,639.31

Finding the Fourth Proportional to 899,379,763.19, 1,241,048,522.01 and 497,429,639.31

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Solution

The fourth proportional to 899,379,763.19, 1,241,048,522.01 and 497,429,639.31 is: 686,400,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,379,763.19 : 1,241,048,522.01 = 497,429,639.31 : x
  2. Step 2: Convert to fraction form
    899,379,763.19/1,241,048,522.01 = 497,429,639.31/x
  3. Step 3: Cross multiply
    899,379,763.19x = 1,241,048,522.01 × 497,429,639.31
  4. Step 4: Simplify right side
    899,379,763.19x = 617,334,318,669,642,880
  5. Step 5: Solve for x
    x = 617,334,318,669,642,880/899,379,763.19
  6. Step 6: Final answer
    x = 686,400,054.73

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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.