Finding the Fourth Proportional to 1,148,933,170.92, 1,720,924,356.68 and 778,435,338
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Solution
The fourth proportional to 1,148,933,170.92, 1,720,924,356.68 and 778,435,338 is: 1,165,975,852.36
Step by Step Solution
- Step 1: Write the proportion equation
1,148,933,170.92 : 1,720,924,356.68 = 778,435,338 : x - Step 2: Convert to fraction form
1,148,933,170.92/1,720,924,356.68 = 778,435,338/x - Step 3: Cross multiply
1,148,933,170.92x = 1,720,924,356.68 × 778,435,338 - Step 4: Simplify right side
1,148,933,170.92x = 1,339,628,333,264,628,480 - Step 5: Solve for x
x = 1,339,628,333,264,628,480/1,148,933,170.92 - Step 6: Final answer
x = 1,165,975,852.36
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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.