Home / 5,009,119,342.80-6,912,758,533.32-2,781,488,731.92

Finding the Fourth Proportional to 5,009,119,342.80, 6,912,758,533.32 and 2,781,488,731.92

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Solution

The fourth proportional to 5,009,119,342.80, 6,912,758,533.32 and 2,781,488,731.92 is: 3,838,550,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009,119,342.80 : 6,912,758,533.32 = 2,781,488,731.92 : x
  2. Step 2: Convert to fraction form
    5,009,119,342.80/6,912,758,533.32 = 2,781,488,731.92/x
  3. Step 3: Cross multiply
    5,009,119,342.80x = 6,912,758,533.32 × 2,781,488,731.92
  4. Step 4: Simplify right side
    5,009,119,342.80x = 19,227,759,966,913,404,928
  5. Step 5: Solve for x
    x = 19,227,759,966,913,404,928/5,009,119,342.80
  6. Step 6: Final answer
    x = 3,838,550,980.93

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1.5x scale

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.