Finding the Fourth Proportional to 608,182,678,688.05, 839,292,927,712 and 330,085,246,428.08
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Solution
The fourth proportional to 608,182,678,688.05, 839,292,927,712 and 330,085,246,428.08 is: 455,518,091,154.42
Step by Step Solution
- Step 1: Write the proportion equation
608,182,678,688.05 : 839,292,927,712 = 330,085,246,428.08 : x - Step 2: Convert to fraction form
608,182,678,688.05/839,292,927,712 = 330,085,246,428.08/x - Step 3: Cross multiply
608,182,678,688.05x = 839,292,927,712 × 330,085,246,428.08 - Step 4: Simplify right side
608,182,678,688.05x = 277,038,212,869,160,278,425,600 - Step 5: Solve for x
x = 277,038,212,869,160,278,425,600/608,182,678,688.05 - Step 6: Final answer
x = 455,518,091,154.42
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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.