Home / 630,977,503.40-946,466,255.10-291,238,879.40

Finding the Fourth Proportional to 630,977,503.40, 946,466,255.10 and 291,238,879.40

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Solution

The fourth proportional to 630,977,503.40, 946,466,255.10 and 291,238,879.40 is: 436,858,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,977,503.40 : 946,466,255.10 = 291,238,879.40 : x
  2. Step 2: Convert to fraction form
    630,977,503.40/946,466,255.10 = 291,238,879.40/x
  3. Step 3: Cross multiply
    630,977,503.40x = 946,466,255.10 × 291,238,879.40
  4. Step 4: Simplify right side
    630,977,503.40x = 275,647,771,525,238,528
  5. Step 5: Solve for x
    x = 275,647,771,525,238,528/630,977,503.40
  6. Step 6: Final answer
    x = 436,858,319.10

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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.