Home / 3,131,678,762.48-4,317,704,848.04-2,565,076,313.72

Finding the Fourth Proportional to 3,131,678,762.48, 4,317,704,848.04 and 2,565,076,313.72

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Solution

The fourth proportional to 3,131,678,762.48, 4,317,704,848.04 and 2,565,076,313.72 is: 3,536,519,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,678,762.48 : 4,317,704,848.04 = 2,565,076,313.72 : x
  2. Step 2: Convert to fraction form
    3,131,678,762.48/4,317,704,848.04 = 2,565,076,313.72/x
  3. Step 3: Cross multiply
    3,131,678,762.48x = 4,317,704,848.04 × 2,565,076,313.72
  4. Step 4: Simplify right side
    3,131,678,762.48x = 11,075,242,435,341,414,400
  5. Step 5: Solve for x
    x = 11,075,242,435,341,414,400/3,131,678,762.48
  6. Step 6: Final answer
    x = 3,536,519,316.10

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Double scale
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1.5x scale

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.