Finding the Fourth Proportional to 390,389,027.84, 585,559,582.80 and 160,352,144.80
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Solution
The fourth proportional to 390,389,027.84, 585,559,582.80 and 160,352,144.80 is: 240,518,376.07
Step by Step Solution
- Step 1: Write the proportion equation
390,389,027.84 : 585,559,582.80 = 160,352,144.80 : x - Step 2: Convert to fraction form
390,389,027.84/585,559,582.80 = 160,352,144.80/x - Step 3: Cross multiply
390,389,027.84x = 585,559,582.80 × 160,352,144.80 - Step 4: Simplify right side
390,389,027.84x = 93,895,735,010,173,184 - Step 5: Solve for x
x = 93,895,735,010,173,184/390,389,027.84 - Step 6: Final answer
x = 240,518,376.07
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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.