Home / 13,545,562,842.48-18,688,659,500.53-7,827,764,212.19

Finding the Fourth Proportional to 13,545,562,842.48, 18,688,659,500.53 and 7,827,764,212.19

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Solution

The fourth proportional to 13,545,562,842.48, 18,688,659,500.53 and 7,827,764,212.19 is: 10,799,877,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,562,842.48 : 18,688,659,500.53 = 7,827,764,212.19 : x
  2. Step 2: Convert to fraction form
    13,545,562,842.48/18,688,659,500.53 = 7,827,764,212.19/x
  3. Step 3: Cross multiply
    13,545,562,842.48x = 18,688,659,500.53 × 7,827,764,212.19
  4. Step 4: Simplify right side
    13,545,562,842.48x = 146,290,420,012,053,364,736
  5. Step 5: Solve for x
    x = 146,290,420,012,053,364,736/13,545,562,842.48
  6. Step 6: Final answer
    x = 10,799,877,547.60

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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.