Home / 319,219,636.80-478,829,455.20-173,596,929.60

Finding the Fourth Proportional to 319,219,636.80, 478,829,455.20 and 173,596,929.60

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Solution

The fourth proportional to 319,219,636.80, 478,829,455.20 and 173,596,929.60 is: 260,395,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,219,636.80 : 478,829,455.20 = 173,596,929.60 : x
  2. Step 2: Convert to fraction form
    319,219,636.80/478,829,455.20 = 173,596,929.60/x
  3. Step 3: Cross multiply
    319,219,636.80x = 478,829,455.20 × 173,596,929.60
  4. Step 4: Simplify right side
    319,219,636.80x = 83,123,323,224,760,752
  5. Step 5: Solve for x
    x = 83,123,323,224,760,752/319,219,636.80
  6. Step 6: Final answer
    x = 260,395,394.40

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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.