Home / 1,200,208,754.81-1,797,983,678.04-884,501,420.33

Finding the Fourth Proportional to 1,200,208,754.81, 1,797,983,678.04 and 884,501,420.33

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Solution

The fourth proportional to 1,200,208,754.81, 1,797,983,678.04 and 884,501,420.33 is: 1,325,035,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,208,754.81 : 1,797,983,678.04 = 884,501,420.33 : x
  2. Step 2: Convert to fraction form
    1,200,208,754.81/1,797,983,678.04 = 884,501,420.33/x
  3. Step 3: Cross multiply
    1,200,208,754.81x = 1,797,983,678.04 × 884,501,420.33
  4. Step 4: Simplify right side
    1,200,208,754.81x = 1,590,319,116,947,547,648
  5. Step 5: Solve for x
    x = 1,590,319,116,947,547,648/1,200,208,754.81
  6. Step 6: Final answer
    x = 1,325,035,424.53

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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.