Home / 13,300,005,782.73-18,353,996,001.20-7,507,528,698.84

Finding the Fourth Proportional to 13,300,005,782.73, 18,353,996,001.20 and 7,507,528,698.84

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Solution

The fourth proportional to 13,300,005,782.73, 18,353,996,001.20 and 7,507,528,698.84 is: 10,360,382,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300,005,782.73 : 18,353,996,001.20 = 7,507,528,698.84 : x
  2. Step 2: Convert to fraction form
    13,300,005,782.73/18,353,996,001.20 = 7,507,528,698.84/x
  3. Step 3: Cross multiply
    13,300,005,782.73x = 18,353,996,001.20 × 7,507,528,698.84
  4. Step 4: Simplify right side
    13,300,005,782.73x = 137,793,151,717,434,802,176
  5. Step 5: Solve for x
    x = 137,793,151,717,434,802,176/13,300,005,782.73
  6. Step 6: Final answer
    x = 10,360,382,842.57

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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.