Home / 841,355,200.96-1,262,058,511.84-288,649,876.32

Finding the Fourth Proportional to 841,355,200.96, 1,262,058,511.84 and 288,649,876.32

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Solution

The fourth proportional to 841,355,200.96, 1,262,058,511.84 and 288,649,876.32 is: 432,983,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,355,200.96 : 1,262,058,511.84 = 288,649,876.32 : x
  2. Step 2: Convert to fraction form
    841,355,200.96/1,262,058,511.84 = 288,649,876.32/x
  3. Step 3: Cross multiply
    841,355,200.96x = 1,262,058,511.84 × 288,649,876.32
  4. Step 4: Simplify right side
    841,355,200.96x = 364,293,033,351,219,200
  5. Step 5: Solve for x
    x = 364,293,033,351,219,200/841,355,200.96
  6. Step 6: Final answer
    x = 432,983,635.13

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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.