Finding the Fourth Proportional to 21,272,781,925.44, 31,909,822,952.04 and 7,298,207,794.08
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Solution
The fourth proportional to 21,272,781,925.44, 31,909,822,952.04 and 7,298,207,794.08 is: 10,947,534,713.26
Step by Step Solution
- Step 1: Write the proportion equation
21,272,781,925.44 : 31,909,822,952.04 = 7,298,207,794.08 : x - Step 2: Convert to fraction form
21,272,781,925.44/31,909,822,952.04 = 7,298,207,794.08/x - Step 3: Cross multiply
21,272,781,925.44x = 31,909,822,952.04 × 7,298,207,794.08 - Step 4: Simplify right side
21,272,781,925.44x = 232,884,518,576,291,217,408 - Step 5: Solve for x
x = 232,884,518,576,291,217,408/21,272,781,925.44 - Step 6: Final answer
x = 10,947,534,713.26
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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.