Finding the Fourth Proportional to 607,115,892.55, 837,822,605.53 and 328,657,416.08
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Solution
The fourth proportional to 607,115,892.55, 837,822,605.53 and 328,657,416.08 is: 453,548,681.64
Step by Step Solution
- Step 1: Write the proportion equation
607,115,892.55 : 837,822,605.53 = 328,657,416.08 : x - Step 2: Convert to fraction form
607,115,892.55/837,822,605.53 = 328,657,416.08/x - Step 3: Cross multiply
607,115,892.55x = 837,822,605.53 × 328,657,416.08 - Step 4: Simplify right side
607,115,892.55x = 275,356,612,668,175,840 - Step 5: Solve for x
x = 275,356,612,668,175,840/607,115,892.55 - Step 6: Final answer
x = 453,548,681.64
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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.