Finding the Fourth Proportional to 1,129,426,318.08, 1,692,674,789.76 and 507,182,088.96
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Solution
The fourth proportional to 1,129,426,318.08, 1,692,674,789.76 and 507,182,088.96 is: 760,115,398.46
Step by Step Solution
- Step 1: Write the proportion equation
1,129,426,318.08 : 1,692,674,789.76 = 507,182,088.96 : x - Step 2: Convert to fraction form
1,129,426,318.08/1,692,674,789.76 = 507,182,088.96/x - Step 3: Cross multiply
1,129,426,318.08x = 1,692,674,789.76 × 507,182,088.96 - Step 4: Simplify right side
1,129,426,318.08x = 858,494,335,800,405,632 - Step 5: Solve for x
x = 858,494,335,800,405,632/1,129,426,318.08 - Step 6: Final answer
x = 760,115,398.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.