Home / 626,711,528.40-939,470,095.80-488,460,469.20

Finding the Fourth Proportional to 626,711,528.40, 939,470,095.80 and 488,460,469.20

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Solution

The fourth proportional to 626,711,528.40, 939,470,095.80 and 488,460,469.20 is: 732,225,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,711,528.40 : 939,470,095.80 = 488,460,469.20 : x
  2. Step 2: Convert to fraction form
    626,711,528.40/939,470,095.80 = 488,460,469.20/x
  3. Step 3: Cross multiply
    626,711,528.40x = 939,470,095.80 × 488,460,469.20
  4. Step 4: Simplify right side
    626,711,528.40x = 458,894,003,793,836,928
  5. Step 5: Solve for x
    x = 458,894,003,793,836,928/626,711,528.40
  6. Step 6: Final answer
    x = 732,225,247.18

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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.