Finding the Fourth Proportional to 617,854,838,605.84, 926,282,126,607 and 193,164,498,562.96
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Solution
The fourth proportional to 617,854,838,605.84, 926,282,126,607 and 193,164,498,562.96 is: 289,590,388,120.31
Step by Step Solution
- Step 1: Write the proportion equation
617,854,838,605.84 : 926,282,126,607 = 193,164,498,562.96 : x - Step 2: Convert to fraction form
617,854,838,605.84/926,282,126,607 = 193,164,498,562.96/x - Step 3: Cross multiply
617,854,838,605.84x = 926,282,126,607 × 193,164,498,562.96 - Step 4: Simplify right side
617,854,838,605.84x = 178,924,822,513,873,382,801,408 - Step 5: Solve for x
x = 178,924,822,513,873,382,801,408/617,854,838,605.84 - Step 6: Final answer
x = 289,590,388,120.31
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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.