Finding the Fourth Proportional to 646,456,078.00, 969,684,129.87 and 155,169,347.75
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Solution
The fourth proportional to 646,456,078.00, 969,684,129.87 and 155,169,347.75 is: 232,754,024.71
Step by Step Solution
- Step 1: Write the proportion equation
646,456,078.00 : 969,684,129.87 = 155,169,347.75 : x - Step 2: Convert to fraction form
646,456,078.00/969,684,129.87 = 155,169,347.75/x - Step 3: Cross multiply
646,456,078.00x = 969,684,129.87 × 155,169,347.75 - Step 4: Simplify right side
646,456,078.00x = 150,465,253,949,829,920 - Step 5: Solve for x
x = 150,465,253,949,829,920/646,456,078.00 - Step 6: Final answer
x = 232,754,024.71
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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.