Finding the Fourth Proportional to 725,855,860,382.18, 1,001,675,991,659.10 and 396,258,898,545.90
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Solution
The fourth proportional to 725,855,860,382.18, 1,001,675,991,659.10 and 396,258,898,545.90 is: 546,834,498,168.44
Step by Step Solution
- Step 1: Write the proportion equation
725,855,860,382.18 : 1,001,675,991,659.10 = 396,258,898,545.90 : x - Step 2: Convert to fraction form
725,855,860,382.18/1,001,675,991,659.10 = 396,258,898,545.90/x - Step 3: Cross multiply
725,855,860,382.18x = 1,001,675,991,659.10 × 396,258,898,545.90 - Step 4: Simplify right side
725,855,860,382.18x = 396,923,025,154,707,063,570,432 - Step 5: Solve for x
x = 396,923,025,154,707,063,570,432/725,855,860,382.18 - Step 6: Final answer
x = 546,834,498,168.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.