Home / 14,321,788,883.51-19,763,178,140.75-7,891,249,003.47

Finding the Fourth Proportional to 14,321,788,883.51, 19,763,178,140.75 and 7,891,249,003.47

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Solution

The fourth proportional to 14,321,788,883.51, 19,763,178,140.75 and 7,891,249,003.47 is: 10,889,432,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321,788,883.51 : 19,763,178,140.75 = 7,891,249,003.47 : x
  2. Step 2: Convert to fraction form
    14,321,788,883.51/19,763,178,140.75 = 7,891,249,003.47/x
  3. Step 3: Cross multiply
    14,321,788,883.51x = 19,763,178,140.75 × 7,891,249,003.47
  4. Step 4: Simplify right side
    14,321,788,883.51x = 155,956,159,808,593,526,784
  5. Step 5: Solve for x
    x = 155,956,159,808,593,526,784/14,321,788,883.51
  6. Step 6: Final answer
    x = 10,889,432,952.62

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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.