Finding the Fourth Proportional to 839,881,315,370.55, 1,259,679,877,901.90 and 235,367,391,129.68
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Solution
The fourth proportional to 839,881,315,370.55, 1,259,679,877,901.90 and 235,367,391,129.68 is: 353,011,266,109.09
Step by Step Solution
- Step 1: Write the proportion equation
839,881,315,370.55 : 1,259,679,877,901.90 = 235,367,391,129.68 : x - Step 2: Convert to fraction form
839,881,315,370.55/1,259,679,877,901.90 = 235,367,391,129.68/x - Step 3: Cross multiply
839,881,315,370.55x = 1,259,679,877,901.90 × 235,367,391,129.68 - Step 4: Simplify right side
839,881,315,370.55x = 296,487,566,520,323,995,074,560 - Step 5: Solve for x
x = 296,487,566,520,323,995,074,560/839,881,315,370.55 - Step 6: Final answer
x = 353,011,266,109.09
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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.