Finding the Fourth Proportional to 473,144,992,586.72, 653,165,239,143.84 and 316,984,075,683.20
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Solution
The fourth proportional to 473,144,992,586.72, 653,165,239,143.84 and 316,984,075,683.20 is: 437,588,863,545.80
Step by Step Solution
- Step 1: Write the proportion equation
473,144,992,586.72 : 653,165,239,143.84 = 316,984,075,683.20 : x - Step 2: Convert to fraction form
473,144,992,586.72/653,165,239,143.84 = 316,984,075,683.20/x - Step 3: Cross multiply
473,144,992,586.72x = 653,165,239,143.84 × 316,984,075,683.20 - Step 4: Simplify right side
473,144,992,586.72x = 207,042,979,598,406,403,489,792 - Step 5: Solve for x
x = 207,042,979,598,406,403,489,792/473,144,992,586.72 - Step 6: Final answer
x = 437,588,863,545.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.