Finding the Fourth Proportional to 808,239,421,392.95, 1,115,294,104,881.40 and 483,013,965,135.31
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Solution
The fourth proportional to 808,239,421,392.95, 1,115,294,104,881.40 and 483,013,965,135.31 is: 666,513,676,061.95
Step by Step Solution
- Step 1: Write the proportion equation
808,239,421,392.95 : 1,115,294,104,881.40 = 483,013,965,135.31 : x - Step 2: Convert to fraction form
808,239,421,392.95/1,115,294,104,881.40 = 483,013,965,135.31/x - Step 3: Cross multiply
808,239,421,392.95x = 1,115,294,104,881.40 × 483,013,965,135.31 - Step 4: Simplify right side
808,239,421,392.95x = 538,702,627,890,801,271,635,968 - Step 5: Solve for x
x = 538,702,627,890,801,271,635,968/808,239,421,392.95 - Step 6: Final answer
x = 666,513,676,061.95
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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.