Finding the Fourth Proportional to 974,242,763.70, 1,344,483,369.86 and 550,847,329.92
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Solution
The fourth proportional to 974,242,763.70, 1,344,483,369.86 and 550,847,329.92 is: 760,185,348.05
Step by Step Solution
- Step 1: Write the proportion equation
974,242,763.70 : 1,344,483,369.86 = 550,847,329.92 : x - Step 2: Convert to fraction form
974,242,763.70/1,344,483,369.86 = 550,847,329.92/x - Step 3: Cross multiply
974,242,763.70x = 1,344,483,369.86 × 550,847,329.92 - Step 4: Simplify right side
974,242,763.70x = 740,605,074,406,470,528 - Step 5: Solve for x
x = 740,605,074,406,470,528/974,242,763.70 - Step 6: Final answer
x = 760,185,348.05
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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.