Finding the Fourth Proportional to 623,184,418,398.06, 933,559,237,262.02 and 429,313,236,730.65
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Solution
The fourth proportional to 623,184,418,398.06, 933,559,237,262.02 and 429,313,236,730.65 is: 643,131,191,981.68
Step by Step Solution
- Step 1: Write the proportion equation
623,184,418,398.06 : 933,559,237,262.02 = 429,313,236,730.65 : x - Step 2: Convert to fraction form
623,184,418,398.06/933,559,237,262.02 = 429,313,236,730.65/x - Step 3: Cross multiply
623,184,418,398.06x = 933,559,237,262.02 × 429,313,236,730.65 - Step 4: Simplify right side
623,184,418,398.06x = 400,789,337,828,754,699,845,632 - Step 5: Solve for x
x = 400,789,337,828,754,699,845,632/623,184,418,398.06 - Step 6: Final answer
x = 643,131,191,981.68
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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.