Finding the Fourth Proportional to 1,062,885,153.80, 1,594,327,730.70 and 972,487,039.70
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Solution
The fourth proportional to 1,062,885,153.80, 1,594,327,730.70 and 972,487,039.70 is: 1,458,730,559.55
Step by Step Solution
- Step 1: Write the proportion equation
1,062,885,153.80 : 1,594,327,730.70 = 972,487,039.70 : x - Step 2: Convert to fraction form
1,062,885,153.80/1,594,327,730.70 = 972,487,039.70/x - Step 3: Cross multiply
1,062,885,153.80x = 1,594,327,730.70 × 972,487,039.70 - Step 4: Simplify right side
1,062,885,153.80x = 1,550,463,055,140,061,952 - Step 5: Solve for x
x = 1,550,463,055,140,061,952/1,062,885,153.80 - Step 6: Final answer
x = 1,458,730,559.55
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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.