Home / 19,139,046,241.04-28,708,338,430.60-4,972,758,477.92

Finding the Fourth Proportional to 19,139,046,241.04, 28,708,338,430.60 and 4,972,758,477.92

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Solution

The fourth proportional to 19,139,046,241.04, 28,708,338,430.60 and 4,972,758,477.92 is: 7,459,077,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139,046,241.04 : 28,708,338,430.60 = 4,972,758,477.92 : x
  2. Step 2: Convert to fraction form
    19,139,046,241.04/28,708,338,430.60 = 4,972,758,477.92/x
  3. Step 3: Cross multiply
    19,139,046,241.04x = 28,708,338,430.60 × 4,972,758,477.92
  4. Step 4: Simplify right side
    19,139,046,241.04x = 142,759,633,317,762,695,168
  5. Step 5: Solve for x
    x = 142,759,633,317,762,695,168/19,139,046,241.04
  6. Step 6: Final answer
    x = 7,459,077,715.78

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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.