Finding the Fourth Proportional to 972,325,834.68, 1,341,809,717.43 and 532,292,686.68
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Solution
The fourth proportional to 972,325,834.68, 1,341,809,717.43 and 532,292,686.68 is: 734,563,943.51
Step by Step Solution
- Step 1: Write the proportion equation
972,325,834.68 : 1,341,809,717.43 = 532,292,686.68 : x - Step 2: Convert to fraction form
972,325,834.68/1,341,809,717.43 = 532,292,686.68/x - Step 3: Cross multiply
972,325,834.68x = 1,341,809,717.43 × 532,292,686.68 - Step 4: Simplify right side
972,325,834.68x = 714,235,499,494,775,808 - Step 5: Solve for x
x = 714,235,499,494,775,808/972,325,834.68 - Step 6: Final answer
x = 734,563,943.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.