Home / 990,984,260.93-1,367,223,549.89-561,775,504.46

Finding the Fourth Proportional to 990,984,260.93, 1,367,223,549.89 and 561,775,504.46

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Solution

The fourth proportional to 990,984,260.93, 1,367,223,549.89 and 561,775,504.46 is: 775,060,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,984,260.93 : 1,367,223,549.89 = 561,775,504.46 : x
  2. Step 2: Convert to fraction form
    990,984,260.93/1,367,223,549.89 = 561,775,504.46/x
  3. Step 3: Cross multiply
    990,984,260.93x = 1,367,223,549.89 × 561,775,504.46
  4. Step 4: Simplify right side
    990,984,260.93x = 768,072,699,439,401,728
  5. Step 5: Solve for x
    x = 768,072,699,439,401,728/990,984,260.93
  6. Step 6: Final answer
    x = 775,060,442.15

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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.