Finding the Fourth Proportional to 464,689,686.35, 697,085,594.62 and 153,684,016.18
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Solution
The fourth proportional to 464,689,686.35, 697,085,594.62 and 153,684,016.18 is: 230,542,912.71
Step by Step Solution
- Step 1: Write the proportion equation
464,689,686.35 : 697,085,594.62 = 153,684,016.18 : x - Step 2: Convert to fraction form
464,689,686.35/697,085,594.62 = 153,684,016.18/x - Step 3: Cross multiply
464,689,686.35x = 697,085,594.62 × 153,684,016.18 - Step 4: Simplify right side
464,689,686.35x = 107,130,913,800,298,080 - Step 5: Solve for x
x = 107,130,913,800,298,080/464,689,686.35 - Step 6: Final answer
x = 230,542,912.71
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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.