Finding the Fourth Proportional to 414,894,982.86, 572,554,887.30 and 229,254,374.70
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Solution
The fourth proportional to 414,894,982.86, 572,554,887.30 and 229,254,374.70 is: 316,370,932.63
Step by Step Solution
- Step 1: Write the proportion equation
414,894,982.86 : 572,554,887.30 = 229,254,374.70 : x - Step 2: Convert to fraction form
414,894,982.86/572,554,887.30 = 229,254,374.70/x - Step 3: Cross multiply
414,894,982.86x = 572,554,887.30 × 229,254,374.70 - Step 4: Simplify right side
414,894,982.86x = 131,260,712,669,390,448 - Step 5: Solve for x
x = 131,260,712,669,390,448/414,894,982.86 - Step 6: Final answer
x = 316,370,932.63
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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.