Finding the Fourth Proportional to 423,564,817.91, 633,396,805.58 and 402,902,391.83
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Solution
The fourth proportional to 423,564,817.91, 633,396,805.58 and 402,902,391.83 is: 602,498,312.31
Step by Step Solution
- Step 1: Write the proportion equation
423,564,817.91 : 633,396,805.58 = 402,902,391.83 : x - Step 2: Convert to fraction form
423,564,817.91/633,396,805.58 = 402,902,391.83/x - Step 3: Cross multiply
423,564,817.91x = 633,396,805.58 × 402,902,391.83 - Step 4: Simplify right side
423,564,817.91x = 255,197,087,943,648,992 - Step 5: Solve for x
x = 255,197,087,943,648,992/423,564,817.91 - Step 6: Final answer
x = 602,498,312.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.