Finding the Fourth Proportional to 873,219,497.80, 1,309,829,246.70 and 528,845,729.80
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Solution
The fourth proportional to 873,219,497.80, 1,309,829,246.70 and 528,845,729.80 is: 793,268,594.70
Step by Step Solution
- Step 1: Write the proportion equation
873,219,497.80 : 1,309,829,246.70 = 528,845,729.80 : x - Step 2: Convert to fraction form
873,219,497.80/1,309,829,246.70 = 528,845,729.80/x - Step 3: Cross multiply
873,219,497.80x = 1,309,829,246.70 × 528,845,729.80 - Step 4: Simplify right side
873,219,497.80x = 692,697,603,884,445,824 - Step 5: Solve for x
x = 692,697,603,884,445,824/873,219,497.80 - Step 6: Final answer
x = 793,268,594.70
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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.