Finding the Fourth Proportional to 796,246,379.39, 1,099,291,353.99 and 707,896,347.46
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Solution
The fourth proportional to 796,246,379.39, 1,099,291,353.99 and 707,896,347.46 is: 977,316,009.75
Step by Step Solution
- Step 1: Write the proportion equation
796,246,379.39 : 1,099,291,353.99 = 707,896,347.46 : x - Step 2: Convert to fraction form
796,246,379.39/1,099,291,353.99 = 707,896,347.46/x - Step 3: Cross multiply
796,246,379.39x = 1,099,291,353.99 × 707,896,347.46 - Step 4: Simplify right side
796,246,379.39x = 778,184,334,283,878,912 - Step 5: Solve for x
x = 778,184,334,283,878,912/796,246,379.39 - Step 6: Final answer
x = 977,316,009.75
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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.