Finding the Fourth Proportional to 435,471,208.20, 653,206,812.30 and 162,806,545.80
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Solution
The fourth proportional to 435,471,208.20, 653,206,812.30 and 162,806,545.80 is: 244,209,818.70
Step by Step Solution
- Step 1: Write the proportion equation
435,471,208.20 : 653,206,812.30 = 162,806,545.80 : x - Step 2: Convert to fraction form
435,471,208.20/653,206,812.30 = 162,806,545.80/x - Step 3: Cross multiply
435,471,208.20x = 653,206,812.30 × 162,806,545.80 - Step 4: Simplify right side
435,471,208.20x = 106,346,344,803,591,952 - Step 5: Solve for x
x = 106,346,344,803,591,952/435,471,208.20 - Step 6: Final answer
x = 244,209,818.70
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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.