Home / 1,438,520,417,397.20-2,157,913,265,832-470,433,879,626.96

Finding the Fourth Proportional to 1,438,520,417,397.20, 2,157,913,265,832 and 470,433,879,626.96

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Solution

The fourth proportional to 1,438,520,417,397.20, 2,157,913,265,832 and 470,433,879,626.96 is: 705,694,196,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,520,417,397.20 : 2,157,913,265,832 = 470,433,879,626.96 : x
  2. Step 2: Convert to fraction form
    1,438,520,417,397.20/2,157,913,265,832 = 470,433,879,626.96/x
  3. Step 3: Cross multiply
    1,438,520,417,397.20x = 2,157,913,265,832 × 470,433,879,626.96
  4. Step 4: Simplify right side
    1,438,520,417,397.20x = 1,015,155,509,543,831,232,053,248
  5. Step 5: Solve for x
    x = 1,015,155,509,543,831,232,053,248/1,438,520,417,397.20
  6. Step 6: Final answer
    x = 705,694,196,110.62

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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.