Home / 12,924,742,681.34-19,359,963,970.99-8,200,632,920.66

Finding the Fourth Proportional to 12,924,742,681.34, 19,359,963,970.99 and 8,200,632,920.66

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Solution

The fourth proportional to 12,924,742,681.34, 19,359,963,970.99 and 8,200,632,920.66 is: 12,283,722,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924,742,681.34 : 19,359,963,970.99 = 8,200,632,920.66 : x
  2. Step 2: Convert to fraction form
    12,924,742,681.34/19,359,963,970.99 = 8,200,632,920.66/x
  3. Step 3: Cross multiply
    12,924,742,681.34x = 19,359,963,970.99 × 8,200,632,920.66
  4. Step 4: Simplify right side
    12,924,742,681.34x = 158,763,957,883,292,090,368
  5. Step 5: Solve for x
    x = 158,763,957,883,292,090,368/12,924,742,681.34
  6. Step 6: Final answer
    x = 12,283,722,917.94

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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.