Finding the Fourth Proportional to 896,159,477.10, 1,344,239,215.65 and 788,664,053.10
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Solution
The fourth proportional to 896,159,477.10, 1,344,239,215.65 and 788,664,053.10 is: 1,182,996,079.65
Step by Step Solution
- Step 1: Write the proportion equation
896,159,477.10 : 1,344,239,215.65 = 788,664,053.10 : x - Step 2: Convert to fraction form
896,159,477.10/1,344,239,215.65 = 788,664,053.10/x - Step 3: Cross multiply
896,159,477.10x = 1,344,239,215.65 × 788,664,053.10 - Step 4: Simplify right side
896,159,477.10x = 1,060,153,148,150,494,080 - Step 5: Solve for x
x = 1,060,153,148,150,494,080/896,159,477.10 - Step 6: Final answer
x = 1,182,996,079.65
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Double scale
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Similar ratio
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1.5x scale
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.