Finding the Fourth Proportional to 1,687,579,567.33, 2,328,638,952.08 and 973,141,508.18
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Solution
The fourth proportional to 1,687,579,567.33, 2,328,638,952.08 and 973,141,508.18 is: 1,342,807,927.81
Step by Step Solution
- Step 1: Write the proportion equation
1,687,579,567.33 : 2,328,638,952.08 = 973,141,508.18 : x - Step 2: Convert to fraction form
1,687,579,567.33/2,328,638,952.08 = 973,141,508.18/x - Step 3: Cross multiply
1,687,579,567.33x = 2,328,638,952.08 × 973,141,508.18 - Step 4: Simplify right side
1,687,579,567.33x = 2,266,095,221,824,615,424 - Step 5: Solve for x
x = 2,266,095,221,824,615,424/1,687,579,567.33 - Step 6: Final answer
x = 1,342,807,927.81
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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.