Home / 13,882,582,464.40-19,163,828,983.86-9,372,570,779.20

Finding the Fourth Proportional to 13,882,582,464.40, 19,163,828,983.86 and 9,372,570,779.20

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Solution

The fourth proportional to 13,882,582,464.40, 19,163,828,983.86 and 9,372,570,779.20 is: 12,938,107,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882,582,464.40 : 19,163,828,983.86 = 9,372,570,779.20 : x
  2. Step 2: Convert to fraction form
    13,882,582,464.40/19,163,828,983.86 = 9,372,570,779.20/x
  3. Step 3: Cross multiply
    13,882,582,464.40x = 19,163,828,983.86 × 9,372,570,779.20
  4. Step 4: Simplify right side
    13,882,582,464.40x = 179,614,343,551,712,296,960
  5. Step 5: Solve for x
    x = 179,614,343,551,712,296,960/13,882,582,464.40
  6. Step 6: Final answer
    x = 12,938,107,445.95

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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.