Finding the Fourth Proportional to 1,730,776,946.68, 2,388,593,402.49 and 978,159,677.96
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Solution
The fourth proportional to 1,730,776,946.68, 2,388,593,402.49 and 978,159,677.96 is: 1,349,928,861.62
Step by Step Solution
- Step 1: Write the proportion equation
1,730,776,946.68 : 2,388,593,402.49 = 978,159,677.96 : x - Step 2: Convert to fraction form
1,730,776,946.68/2,388,593,402.49 = 978,159,677.96/x - Step 3: Cross multiply
1,730,776,946.68x = 2,388,593,402.49 × 978,159,677.96 - Step 4: Simplify right side
1,730,776,946.68x = 2,336,425,753,347,616,768 - Step 5: Solve for x
x = 2,336,425,753,347,616,768/1,730,776,946.68 - Step 6: Final answer
x = 1,349,928,861.62
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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.