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Finding the Fourth Proportional to 1,394,620,929.02, 1,924,537,572.63 and 759,527,085.89

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Solution

The fourth proportional to 1,394,620,929.02, 1,924,537,572.63 and 759,527,085.89 is: 1,048,125,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,620,929.02 : 1,924,537,572.63 = 759,527,085.89 : x
  2. Step 2: Convert to fraction form
    1,394,620,929.02/1,924,537,572.63 = 759,527,085.89/x
  3. Step 3: Cross multiply
    1,394,620,929.02x = 1,924,537,572.63 × 759,527,085.89
  4. Step 4: Simplify right side
    1,394,620,929.02x = 1,461,738,414,225,478,144
  5. Step 5: Solve for x
    x = 1,461,738,414,225,478,144/1,394,620,929.02
  6. Step 6: Final answer
    x = 1,048,125,970.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.