Home / 1,508,138,996.04-2,262,185,790.57-678,506,772.93

Finding the Fourth Proportional to 1,508,138,996.04, 2,262,185,790.57 and 678,506,772.93

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Solution

The fourth proportional to 1,508,138,996.04, 2,262,185,790.57 and 678,506,772.93 is: 1,017,749,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,138,996.04 : 2,262,185,790.57 = 678,506,772.93 : x
  2. Step 2: Convert to fraction form
    1,508,138,996.04/2,262,185,790.57 = 678,506,772.93/x
  3. Step 3: Cross multiply
    1,508,138,996.04x = 2,262,185,790.57 × 678,506,772.93
  4. Step 4: Simplify right side
    1,508,138,996.04x = 1,534,908,380,527,751,424
  5. Step 5: Solve for x
    x = 1,534,908,380,527,751,424/1,508,138,996.04
  6. Step 6: Final answer
    x = 1,017,749,945.17

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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.