Finding the Fourth Proportional to 527,602,224,595.26, 787,850,455,311.68 and 430,875,639,803.70
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Solution
The fourth proportional to 527,602,224,595.26, 787,850,455,311.68 and 430,875,639,803.70 is: 643,411,936,449.80
Step by Step Solution
- Step 1: Write the proportion equation
527,602,224,595.26 : 787,850,455,311.68 = 430,875,639,803.70 : x - Step 2: Convert to fraction form
527,602,224,595.26/787,850,455,311.68 = 430,875,639,803.70/x - Step 3: Cross multiply
527,602,224,595.26x = 787,850,455,311.68 × 430,875,639,803.70 - Step 4: Simplify right side
527,602,224,595.26x = 339,465,569,002,056,488,845,312 - Step 5: Solve for x
x = 339,465,569,002,056,488,845,312/527,602,224,595.26 - Step 6: Final answer
x = 643,411,936,449.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.