Finding the Fourth Proportional to 822,893,966.70, 1,234,686,828.96 and 512,261,536.02
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Solution
The fourth proportional to 822,893,966.70, 1,234,686,828.96 and 512,261,536.02 is: 768,607,617.87
Step by Step Solution
- Step 1: Write the proportion equation
822,893,966.70 : 1,234,686,828.96 = 512,261,536.02 : x - Step 2: Convert to fraction form
822,893,966.70/1,234,686,828.96 = 512,261,536.02/x - Step 3: Cross multiply
822,893,966.70x = 1,234,686,828.96 × 512,261,536.02 - Step 4: Simplify right side
822,893,966.70x = 632,482,571,506,712,576 - Step 5: Solve for x
x = 632,482,571,506,712,576/822,893,966.70 - Step 6: Final answer
x = 768,607,617.87
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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.