Finding the Fourth Proportional to 662,070,936.84, 913,518,106.76 and 383,595,502.92
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Solution
The fourth proportional to 662,070,936.84, 913,518,106.76 and 383,595,502.92 is: 529,280,803.75
Step by Step Solution
- Step 1: Write the proportion equation
662,070,936.84 : 913,518,106.76 = 383,595,502.92 : x - Step 2: Convert to fraction form
662,070,936.84/913,518,106.76 = 383,595,502.92/x - Step 3: Cross multiply
662,070,936.84x = 913,518,106.76 × 383,595,502.92 - Step 4: Simplify right side
662,070,936.84x = 350,421,437,589,128,448 - Step 5: Solve for x
x = 350,421,437,589,128,448/662,070,936.84 - Step 6: Final answer
x = 529,280,803.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.