Finding the Fourth Proportional to 695,506,165.80, 1,043,259,248.70 and 373,019,893.80
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Solution
The fourth proportional to 695,506,165.80, 1,043,259,248.70 and 373,019,893.80 is: 559,529,840.70
Step by Step Solution
- Step 1: Write the proportion equation
695,506,165.80 : 1,043,259,248.70 = 373,019,893.80 : x - Step 2: Convert to fraction form
695,506,165.80/1,043,259,248.70 = 373,019,893.80/x - Step 3: Cross multiply
695,506,165.80x = 1,043,259,248.70 × 373,019,893.80 - Step 4: Simplify right side
695,506,165.80x = 389,156,454,155,941,824 - Step 5: Solve for x
x = 389,156,454,155,941,824/695,506,165.80 - Step 6: Final answer
x = 559,529,840.70
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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.