Home / 487,782,005.40-731,430,907.20-176,877,210.60

Finding the Fourth Proportional to 487,782,005.40, 731,430,907.20 and 176,877,210.60

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Solution

The fourth proportional to 487,782,005.40, 731,430,907.20 and 176,877,210.60 is: 265,228,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,782,005.40 : 731,430,907.20 = 176,877,210.60 : x
  2. Step 2: Convert to fraction form
    487,782,005.40/731,430,907.20 = 176,877,210.60/x
  3. Step 3: Cross multiply
    487,782,005.40x = 731,430,907.20 × 176,877,210.60
  4. Step 4: Simplify right side
    487,782,005.40x = 129,373,458,612,163,456
  5. Step 5: Solve for x
    x = 129,373,458,612,163,456/487,782,005.40
  6. Step 6: Final answer
    x = 265,228,026.41

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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.