Finding the Fourth Proportional to 527,725,991.08, 791,588,461.02 and 361,565,779.24
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Solution
The fourth proportional to 527,725,991.08, 791,588,461.02 and 361,565,779.24 is: 542,348,308.75
Step by Step Solution
- Step 1: Write the proportion equation
527,725,991.08 : 791,588,461.02 = 361,565,779.24 : x - Step 2: Convert to fraction form
527,725,991.08/791,588,461.02 = 361,565,779.24/x - Step 3: Cross multiply
527,725,991.08x = 791,588,461.02 × 361,565,779.24 - Step 4: Simplify right side
527,725,991.08x = 286,211,298,746,088,672 - Step 5: Solve for x
x = 286,211,298,746,088,672/527,725,991.08 - Step 6: Final answer
x = 542,348,308.75
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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.