Home / 1,602,641,643.63-2,211,643,790.85-897,798,586.57

Finding the Fourth Proportional to 1,602,641,643.63, 2,211,643,790.85 and 897,798,586.57

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Solution

The fourth proportional to 1,602,641,643.63, 2,211,643,790.85 and 897,798,586.57 is: 1,238,961,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,641,643.63 : 2,211,643,790.85 = 897,798,586.57 : x
  2. Step 2: Convert to fraction form
    1,602,641,643.63/2,211,643,790.85 = 897,798,586.57/x
  3. Step 3: Cross multiply
    1,602,641,643.63x = 2,211,643,790.85 × 897,798,586.57
  4. Step 4: Simplify right side
    1,602,641,643.63x = 1,985,610,669,424,320,768
  5. Step 5: Solve for x
    x = 1,985,610,669,424,320,768/1,602,641,643.63
  6. Step 6: Final answer
    x = 1,238,961,109.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.