Home / 13,880,242,501.88-19,154,734,652.59-7,939,795,003.88

Finding the Fourth Proportional to 13,880,242,501.88, 19,154,734,652.59 and 7,939,795,003.88

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Solution

The fourth proportional to 13,880,242,501.88, 19,154,734,652.59 and 7,939,795,003.88 is: 10,956,917,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880,242,501.88 : 19,154,734,652.59 = 7,939,795,003.88 : x
  2. Step 2: Convert to fraction form
    13,880,242,501.88/19,154,734,652.59 = 7,939,795,003.88/x
  3. Step 3: Cross multiply
    13,880,242,501.88x = 19,154,734,652.59 × 7,939,795,003.88
  4. Step 4: Simplify right side
    13,880,242,501.88x = 152,084,666,495,169,560,576
  5. Step 5: Solve for x
    x = 152,084,666,495,169,560,576/13,880,242,501.88
  6. Step 6: Final answer
    x = 10,956,917,105.35

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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.