Finding the Fourth Proportional to 1,549,468,927.05, 2,138,249,714.60 and 844,605,442.73
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Solution
The fourth proportional to 1,549,468,927.05, 2,138,249,714.60 and 844,605,442.73 is: 1,165,546,023.75
Step by Step Solution
- Step 1: Write the proportion equation
1,549,468,927.05 : 2,138,249,714.60 = 844,605,442.73 : x - Step 2: Convert to fraction form
1,549,468,927.05/2,138,249,714.60 = 844,605,442.73/x - Step 3: Cross multiply
1,549,468,927.05x = 2,138,249,714.60 × 844,605,442.73 - Step 4: Simplify right side
1,549,468,927.05x = 1,805,977,346,852,114,944 - Step 5: Solve for x
x = 1,805,977,346,852,114,944/1,549,468,927.05 - Step 6: Final answer
x = 1,165,546,023.75
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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.