Finding the Fourth Proportional to 1,653,445,177.55, 2,281,750,350.08 and 900,764,538.15
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Solution
The fourth proportional to 1,653,445,177.55, 2,281,750,350.08 and 900,764,538.15 is: 1,243,052,886.28
Step by Step Solution
- Step 1: Write the proportion equation
1,653,445,177.55 : 2,281,750,350.08 = 900,764,538.15 : x - Step 2: Convert to fraction form
1,653,445,177.55/2,281,750,350.08 = 900,764,538.15/x - Step 3: Cross multiply
1,653,445,177.55x = 2,281,750,350.08 × 900,764,538.15 - Step 4: Simplify right side
1,653,445,177.55x = 2,055,319,800,263,411,968 - Step 5: Solve for x
x = 2,055,319,800,263,411,968/1,653,445,177.55 - Step 6: Final answer
x = 1,243,052,886.28
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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.