Home / 2,838,018,312.82-3,888,020,138.98-2,731,911,021.46

Finding the Fourth Proportional to 2,838,018,312.82, 3,888,020,138.98 and 2,731,911,021.46

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Solution

The fourth proportional to 2,838,018,312.82, 3,888,020,138.98 and 2,731,911,021.46 is: 3,742,655,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,018,312.82 : 3,888,020,138.98 = 2,731,911,021.46 : x
  2. Step 2: Convert to fraction form
    2,838,018,312.82/3,888,020,138.98 = 2,731,911,021.46/x
  3. Step 3: Cross multiply
    2,838,018,312.82x = 3,888,020,138.98 × 2,731,911,021.46
  4. Step 4: Simplify right side
    2,838,018,312.82x = 10,621,725,069,324,242,944
  5. Step 5: Solve for x
    x = 10,621,725,069,324,242,944/2,838,018,312.82
  6. Step 6: Final answer
    x = 3,742,655,578.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.