Home / 1,370,458,577.24-1,891,235,235.80-743,927,429.60

Finding the Fourth Proportional to 1,370,458,577.24, 1,891,235,235.80 and 743,927,429.60

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Solution

The fourth proportional to 1,370,458,577.24, 1,891,235,235.80 and 743,927,429.60 is: 1,026,621,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,458,577.24 : 1,891,235,235.80 = 743,927,429.60 : x
  2. Step 2: Convert to fraction form
    1,370,458,577.24/1,891,235,235.80 = 743,927,429.60/x
  3. Step 3: Cross multiply
    1,370,458,577.24x = 1,891,235,235.80 × 743,927,429.60
  4. Step 4: Simplify right side
    1,370,458,577.24x = 1,406,941,767,737,644,032
  5. Step 5: Solve for x
    x = 1,406,941,767,737,644,032/1,370,458,577.24
  6. Step 6: Final answer
    x = 1,026,621,155.21

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1.5x scale

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.