Finding the Fourth Proportional to 28,466,843,659,702, 39,281,103,242,130 and 15,964,000,779,365
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Solution
The fourth proportional to 28,466,843,659,702, 39,281,103,242,130 and 15,964,000,779,365 is: 22,028,559,620,727.72
Step by Step Solution
- Step 1: Write the proportion equation
28,466,843,659,702 : 39,281,103,242,130 = 15,964,000,779,365 : x - Step 2: Convert to fraction form
28,466,843,659,702/39,281,103,242,130 = 15,964,000,779,365/x - Step 3: Cross multiply
28,466,843,659,702x = 39,281,103,242,130 × 15,964,000,779,365 - Step 4: Simplify right side
28,466,843,659,702x = 627,083,562,771,680,356,168,892,416 - Step 5: Solve for x
x = 627,083,562,771,680,356,168,892,416/28,466,843,659,702 - Step 6: Final answer
x = 22,028,559,620,727.72
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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.