Home / 2,838,018,312.32-3,888,020,138.29-2,731,911,020.96

Finding the Fourth Proportional to 2,838,018,312.32, 3,888,020,138.29 and 2,731,911,020.96

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Solution

The fourth proportional to 2,838,018,312.32, 3,888,020,138.29 and 2,731,911,020.96 is: 3,742,655,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,018,312.32 : 3,888,020,138.29 = 2,731,911,020.96 : x
  2. Step 2: Convert to fraction form
    2,838,018,312.32/3,888,020,138.29 = 2,731,911,020.96/x
  3. Step 3: Cross multiply
    2,838,018,312.32x = 3,888,020,138.29 × 2,731,911,020.96
  4. Step 4: Simplify right side
    2,838,018,312.32x = 10,621,725,065,508,874,240
  5. Step 5: Solve for x
    x = 10,621,725,065,508,874,240/2,838,018,312.32
  6. Step 6: Final answer
    x = 3,742,655,577.45

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Double scale
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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.