Finding the Fourth Proportional to 5,007,169,335.36, 6,909,548,031 and 2,779,326,148.08
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Solution
The fourth proportional to 5,007,169,335.36, 6,909,548,031 and 2,779,326,148.08 is: 3,835,278,223.64
Step by Step Solution
- Step 1: Write the proportion equation
5,007,169,335.36 : 6,909,548,031 = 2,779,326,148.08 : x - Step 2: Convert to fraction form
5,007,169,335.36/6,909,548,031 = 2,779,326,148.08/x - Step 3: Cross multiply
5,007,169,335.36x = 6,909,548,031 × 2,779,326,148.08 - Step 4: Simplify right side
5,007,169,335.36x = 19,203,887,513,972,977,664 - Step 5: Solve for x
x = 19,203,887,513,972,977,664/5,007,169,335.36 - Step 6: Final answer
x = 3,835,278,223.64
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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.