Finding the Fourth Proportional to 5,595,412,209.72, 7,718,881,267.12 and 3,335,759,510.68
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Solution
The fourth proportional to 5,595,412,209.72, 7,718,881,267.12 and 3,335,759,510.68 is: 4,601,686,280.39
Step by Step Solution
- Step 1: Write the proportion equation
5,595,412,209.72 : 7,718,881,267.12 = 3,335,759,510.68 : x - Step 2: Convert to fraction form
5,595,412,209.72/7,718,881,267.12 = 3,335,759,510.68/x - Step 3: Cross multiply
5,595,412,209.72x = 7,718,881,267.12 × 3,335,759,510.68 - Step 4: Simplify right side
5,595,412,209.72x = 25,748,331,598,605,225,984 - Step 5: Solve for x
x = 25,748,331,598,605,225,984/5,595,412,209.72 - Step 6: Final answer
x = 4,601,686,280.39
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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.