Finding the Fourth Proportional to 942,476,313.68, 1,413,241,488.03 and 549,130,257.53
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Solution
The fourth proportional to 942,476,313.68, 1,413,241,488.03 and 549,130,257.53 is: 823,419,804.84
Step by Step Solution
- Step 1: Write the proportion equation
942,476,313.68 : 1,413,241,488.03 = 549,130,257.53 : x - Step 2: Convert to fraction form
942,476,313.68/1,413,241,488.03 = 549,130,257.53/x - Step 3: Cross multiply
942,476,313.68x = 1,413,241,488.03 × 549,130,257.53 - Step 4: Simplify right side
942,476,313.68x = 776,053,662,271,184,384 - Step 5: Solve for x
x = 776,053,662,271,184,384/942,476,313.68 - Step 6: Final answer
x = 823,419,804.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.