Home / 626,711,526.40-939,470,092.80-488,460,467.20

Finding the Fourth Proportional to 626,711,526.40, 939,470,092.80 and 488,460,467.20

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Solution

The fourth proportional to 626,711,526.40, 939,470,092.80 and 488,460,467.20 is: 732,225,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,711,526.40 : 939,470,092.80 = 488,460,467.20 : x
  2. Step 2: Convert to fraction form
    626,711,526.40/939,470,092.80 = 488,460,467.20/x
  3. Step 3: Cross multiply
    626,711,526.40x = 939,470,092.80 × 488,460,467.20
  4. Step 4: Simplify right side
    626,711,526.40x = 458,894,000,449,515,328
  5. Step 5: Solve for x
    x = 458,894,000,449,515,328/626,711,526.40
  6. Step 6: Final answer
    x = 732,225,244.18

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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.