Home / 8,941,634,927.85-12,340,035,421.57-5,131,318,484.31

Finding the Fourth Proportional to 8,941,634,927.85, 12,340,035,421.57 and 5,131,318,484.31

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Solution

The fourth proportional to 8,941,634,927.85, 12,340,035,421.57 and 5,131,318,484.31 is: 7,081,551,904.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941,634,927.85 : 12,340,035,421.57 = 5,131,318,484.31 : x
  2. Step 2: Convert to fraction form
    8,941,634,927.85/12,340,035,421.57 = 5,131,318,484.31/x
  3. Step 3: Cross multiply
    8,941,634,927.85x = 12,340,035,421.57 × 5,131,318,484.31
  4. Step 4: Simplify right side
    8,941,634,927.85x = 63,320,651,855,742,287,872
  5. Step 5: Solve for x
    x = 63,320,651,855,742,287,872/8,941,634,927.85
  6. Step 6: Final answer
    x = 7,081,551,904.84

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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.