Home / 1,870,042,017.60-2,803,212,824.40-885,738,490.20

Finding the Fourth Proportional to 1,870,042,017.60, 2,803,212,824.40 and 885,738,490.20

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Solution

The fourth proportional to 1,870,042,017.60, 2,803,212,824.40 and 885,738,490.20 is: 1,327,731,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,042,017.60 : 2,803,212,824.40 = 885,738,490.20 : x
  2. Step 2: Convert to fraction form
    1,870,042,017.60/2,803,212,824.40 = 885,738,490.20/x
  3. Step 3: Cross multiply
    1,870,042,017.60x = 2,803,212,824.40 × 885,738,490.20
  4. Step 4: Simplify right side
    1,870,042,017.60x = 2,482,913,494,793,333,760
  5. Step 5: Solve for x
    x = 2,482,913,494,793,333,760/1,870,042,017.60
  6. Step 6: Final answer
    x = 1,327,731,393.96

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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.