Finding the Fourth Proportional to 1,570,970,202.80, 2,357,029,909.90 and 731,013,545.88
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Solution
The fourth proportional to 1,570,970,202.80, 2,357,029,909.90 and 731,013,545.88 is: 1,096,787,697.89
Step by Step Solution
- Step 1: Write the proportion equation
1,570,970,202.80 : 2,357,029,909.90 = 731,013,545.88 : x - Step 2: Convert to fraction form
1,570,970,202.80/2,357,029,909.90 = 731,013,545.88/x - Step 3: Cross multiply
1,570,970,202.80x = 2,357,029,909.90 × 731,013,545.88 - Step 4: Simplify right side
1,570,970,202.80x = 1,723,020,792,181,216,000 - Step 5: Solve for x
x = 1,723,020,792,181,216,000/1,570,970,202.80 - Step 6: Final answer
x = 1,096,787,697.89
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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.