Finding the Fourth Proportional to 293,376,266.70, 440,064,400.05 and 260,214,348.30
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Solution
The fourth proportional to 293,376,266.70, 440,064,400.05 and 260,214,348.30 is: 390,321,522.45
Step by Step Solution
- Step 1: Write the proportion equation
293,376,266.70 : 440,064,400.05 = 260,214,348.30 : x - Step 2: Convert to fraction form
293,376,266.70/440,064,400.05 = 260,214,348.30/x - Step 3: Cross multiply
293,376,266.70x = 440,064,400.05 × 260,214,348.30 - Step 4: Simplify right side
293,376,266.70x = 114,511,071,069,041,248 - Step 5: Solve for x
x = 114,511,071,069,041,248/293,376,266.70 - Step 6: Final answer
x = 390,321,522.45
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1.5x scale
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.