Finding the Fourth Proportional to 7,668,927,320.88, 10,583,016,227.16 and 4,281,888,781.68
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Solution
The fourth proportional to 7,668,927,320.88, 10,583,016,227.16 and 4,281,888,781.68 is: 5,908,948,743.85
Step by Step Solution
- Step 1: Write the proportion equation
7,668,927,320.88 : 10,583,016,227.16 = 4,281,888,781.68 : x - Step 2: Convert to fraction form
7,668,927,320.88/10,583,016,227.16 = 4,281,888,781.68/x - Step 3: Cross multiply
7,668,927,320.88x = 10,583,016,227.16 × 4,281,888,781.68 - Step 4: Simplify right side
7,668,927,320.88x = 45,315,298,459,413,798,912 - Step 5: Solve for x
x = 45,315,298,459,413,798,912/7,668,927,320.88 - Step 6: Final answer
x = 5,908,948,743.85
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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.