Finding the Fourth Proportional to 818,219,281.84, 1,129,142,565.75 and 441,875,833.36
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Solution
The fourth proportional to 818,219,281.84, 1,129,142,565.75 and 441,875,833.36 is: 609,788,626.72
Step by Step Solution
- Step 1: Write the proportion equation
818,219,281.84 : 1,129,142,565.75 = 441,875,833.36 : x - Step 2: Convert to fraction form
818,219,281.84/1,129,142,565.75 = 441,875,833.36/x - Step 3: Cross multiply
818,219,281.84x = 1,129,142,565.75 × 441,875,833.36 - Step 4: Simplify right side
818,219,281.84x = 498,940,812,228,575,424 - Step 5: Solve for x
x = 498,940,812,228,575,424/818,219,281.84 - Step 6: Final answer
x = 609,788,626.72
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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.