Finding the Fourth Proportional to 14,971,455,670,397, 20,660,593,155,681 and 8,386,997,678,584.50
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Solution
The fourth proportional to 14,971,455,670,397, 20,660,593,155,681 and 8,386,997,678,584.50 is: 11,574,048,018,423.61
Step by Step Solution
- Step 1: Write the proportion equation
14,971,455,670,397 : 20,660,593,155,681 = 8,386,997,678,584.50 : x - Step 2: Convert to fraction form
14,971,455,670,397/20,660,593,155,681 = 8,386,997,678,584.50/x - Step 3: Cross multiply
14,971,455,670,397x = 20,660,593,155,681 × 8,386,997,678,584.50 - Step 4: Simplify right side
14,971,455,670,397x = 173,280,346,834,875,355,811,020,800 - Step 5: Solve for x
x = 173,280,346,834,875,355,811,020,800/14,971,455,670,397 - Step 6: Final answer
x = 11,574,048,018,423.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.