Finding the Fourth Proportional to 3,498,321,822.80, 5,249,498,273.40 and 1,318,852,101.20
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Solution
The fourth proportional to 3,498,321,822.80, 5,249,498,273.40 and 1,318,852,101.20 is: 1,979,038,001.31
Step by Step Solution
- Step 1: Write the proportion equation
3,498,321,822.80 : 5,249,498,273.40 = 1,318,852,101.20 : x - Step 2: Convert to fraction form
3,498,321,822.80/5,249,498,273.40 = 1,318,852,101.20/x - Step 3: Cross multiply
3,498,321,822.80x = 5,249,498,273.40 × 1,318,852,101.20 - Step 4: Simplify right side
3,498,321,822.80x = 6,923,311,828,119,361,536 - Step 5: Solve for x
x = 6,923,311,828,119,361,536/3,498,321,822.80 - Step 6: Final answer
x = 1,979,038,001.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.