Home / 975,048,711.38-1,462,556,126.93-392,768,072.72

Finding the Fourth Proportional to 975,048,711.38, 1,462,556,126.93 and 392,768,072.72

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Solution

The fourth proportional to 975,048,711.38, 1,462,556,126.93 and 392,768,072.72 is: 589,145,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,048,711.38 : 1,462,556,126.93 = 392,768,072.72 : x
  2. Step 2: Convert to fraction form
    975,048,711.38/1,462,556,126.93 = 392,768,072.72/x
  3. Step 3: Cross multiply
    975,048,711.38x = 1,462,556,126.93 × 392,768,072.72
  4. Step 4: Simplify right side
    975,048,711.38x = 574,445,351,209,847,104
  5. Step 5: Solve for x
    x = 574,445,351,209,847,104/975,048,711.38
  6. Step 6: Final answer
    x = 589,145,285.26

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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.