Finding the Fourth Proportional to 1,121,509,297.64, 1,679,516,841.18 and 926,225,944.04
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Solution
The fourth proportional to 1,121,509,297.64, 1,679,516,841.18 and 926,225,944.04 is: 1,387,070,151.83
Step by Step Solution
- Step 1: Write the proportion equation
1,121,509,297.64 : 1,679,516,841.18 = 926,225,944.04 : x - Step 2: Convert to fraction form
1,121,509,297.64/1,679,516,841.18 = 926,225,944.04/x - Step 3: Cross multiply
1,121,509,297.64x = 1,679,516,841.18 × 926,225,944.04 - Step 4: Simplify right side
1,121,509,297.64x = 1,555,612,071,753,024,256 - Step 5: Solve for x
x = 1,555,612,071,753,024,256/1,121,509,297.64 - Step 6: Final answer
x = 1,387,070,151.83
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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.