Finding the Fourth Proportional to 944,787,929.20, 1,417,181,893.80 and 869,961,036.40
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Solution
The fourth proportional to 944,787,929.20, 1,417,181,893.80 and 869,961,036.40 is: 1,304,941,554.60
Step by Step Solution
- Step 1: Write the proportion equation
944,787,929.20 : 1,417,181,893.80 = 869,961,036.40 : x - Step 2: Convert to fraction form
944,787,929.20/1,417,181,893.80 = 869,961,036.40/x - Step 3: Cross multiply
944,787,929.20x = 1,417,181,893.80 × 869,961,036.40 - Step 4: Simplify right side
944,787,929.20x = 1,232,893,029,097,562,624 - Step 5: Solve for x
x = 1,232,893,029,097,562,624/944,787,929.20 - Step 6: Final answer
x = 1,304,941,554.60
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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.