Finding the Fourth Proportional to 7,920,596,884,089.90, 11,880,895,326,135 and 5,510,531,506,118.70
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Solution
The fourth proportional to 7,920,596,884,089.90, 11,880,895,326,135 and 5,510,531,506,118.70 is: 8,265,797,259,178.15
Step by Step Solution
- Step 1: Write the proportion equation
7,920,596,884,089.90 : 11,880,895,326,135 = 5,510,531,506,118.70 : x - Step 2: Convert to fraction form
7,920,596,884,089.90/11,880,895,326,135 = 5,510,531,506,118.70/x - Step 3: Cross multiply
7,920,596,884,089.90x = 11,880,895,326,135 × 5,510,531,506,118.70 - Step 4: Simplify right side
7,920,596,884,089.90x = 65,470,048,015,565,330,889,834,496 - Step 5: Solve for x
x = 65,470,048,015,565,330,889,834,496/7,920,596,884,089.90 - Step 6: Final answer
x = 8,265,797,259,178.15
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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.