Home / 658,623,929.60-987,935,894.40-173,949,737.60

Finding the Fourth Proportional to 658,623,929.60, 987,935,894.40 and 173,949,737.60

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Solution

The fourth proportional to 658,623,929.60, 987,935,894.40 and 173,949,737.60 is: 260,924,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,623,929.60 : 987,935,894.40 = 173,949,737.60 : x
  2. Step 2: Convert to fraction form
    658,623,929.60/987,935,894.40 = 173,949,737.60/x
  3. Step 3: Cross multiply
    658,623,929.60x = 987,935,894.40 × 173,949,737.60
  4. Step 4: Simplify right side
    658,623,929.60x = 171,851,189,596,501,312
  5. Step 5: Solve for x
    x = 171,851,189,596,501,312/658,623,929.60
  6. Step 6: Final answer
    x = 260,924,606.40

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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.