Home / 1,306,958,534.80-1,803,603,094.32-712,243,185.28

Finding the Fourth Proportional to 1,306,958,534.80, 1,803,603,094.32 and 712,243,185.28

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Solution

The fourth proportional to 1,306,958,534.80, 1,803,603,094.32 and 712,243,185.28 is: 982,895,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,958,534.80 : 1,803,603,094.32 = 712,243,185.28 : x
  2. Step 2: Convert to fraction form
    1,306,958,534.80/1,803,603,094.32 = 712,243,185.28/x
  3. Step 3: Cross multiply
    1,306,958,534.80x = 1,803,603,094.32 × 712,243,185.28
  4. Step 4: Simplify right side
    1,306,958,534.80x = 1,284,604,012,879,341,056
  5. Step 5: Solve for x
    x = 1,284,604,012,879,341,056/1,306,958,534.80
  6. Step 6: Final answer
    x = 982,895,768.06

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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.