Finding the Fourth Proportional to 492,034,211.41, 679,021,383.50 and 272,031,809.17
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Solution
The fourth proportional to 492,034,211.41, 679,021,383.50 and 272,031,809.17 is: 375,411,731.82
Step by Step Solution
- Step 1: Write the proportion equation
492,034,211.41 : 679,021,383.50 = 272,031,809.17 : x - Step 2: Convert to fraction form
492,034,211.41/679,021,383.50 = 272,031,809.17/x - Step 3: Cross multiply
492,034,211.41x = 679,021,383.50 × 272,031,809.17 - Step 4: Simplify right side
492,034,211.41x = 184,715,415,418,621,408 - Step 5: Solve for x
x = 184,715,415,418,621,408/492,034,211.41 - Step 6: Final answer
x = 375,411,731.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.