Finding the Fourth Proportional to 497,042,798.16, 745,671,819.53 and 190,334,921.97
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Solution
The fourth proportional to 497,042,798.16, 745,671,819.53 and 190,334,921.97 is: 285,543,595.26
Step by Step Solution
- Step 1: Write the proportion equation
497,042,798.16 : 745,671,819.53 = 190,334,921.97 : x - Step 2: Convert to fraction form
497,042,798.16/745,671,819.53 = 190,334,921.97/x - Step 3: Cross multiply
497,042,798.16x = 745,671,819.53 × 190,334,921.97 - Step 4: Simplify right side
497,042,798.16x = 141,927,387,584,518,800 - Step 5: Solve for x
x = 141,927,387,584,518,800/497,042,798.16 - Step 6: Final answer
x = 285,543,595.26
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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.