Home / 768,048,617.25-1,059,569,331.26-450,346,699.35

Finding the Fourth Proportional to 768,048,617.25, 1,059,569,331.26 and 450,346,699.35

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Solution

The fourth proportional to 768,048,617.25, 1,059,569,331.26 and 450,346,699.35 is: 621,280,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,048,617.25 : 1,059,569,331.26 = 450,346,699.35 : x
  2. Step 2: Convert to fraction form
    768,048,617.25/1,059,569,331.26 = 450,346,699.35/x
  3. Step 3: Cross multiply
    768,048,617.25x = 1,059,569,331.26 × 450,346,699.35
  4. Step 4: Simplify right side
    768,048,617.25x = 477,173,551,063,176,064
  5. Step 5: Solve for x
    x = 477,173,551,063,176,064/768,048,617.25
  6. Step 6: Final answer
    x = 621,280,398.59

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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.