Home / 12,709,285,967.78-19,066,686,807.04-3,865,894,980.17

Finding the Fourth Proportional to 12,709,285,967.78, 19,066,686,807.04 and 3,865,894,980.17

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Solution

The fourth proportional to 12,709,285,967.78, 19,066,686,807.04 and 3,865,894,980.17 is: 5,799,681,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,285,967.78 : 19,066,686,807.04 = 3,865,894,980.17 : x
  2. Step 2: Convert to fraction form
    12,709,285,967.78/19,066,686,807.04 = 3,865,894,980.17/x
  3. Step 3: Cross multiply
    12,709,285,967.78x = 19,066,686,807.04 × 3,865,894,980.17
  4. Step 4: Simplify right side
    12,709,285,967.78x = 73,709,808,815,845,564,416
  5. Step 5: Solve for x
    x = 73,709,808,815,845,564,416/12,709,285,967.78
  6. Step 6: Final answer
    x = 5,799,681,351.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.