Finding the Fourth Proportional to 1,855,740,235.98, 2,784,695,805.80 and 692,012,691.66
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Solution
The fourth proportional to 1,855,740,235.98, 2,784,695,805.80 and 692,012,691.66 is: 1,038,423,806.66
Step by Step Solution
- Step 1: Write the proportion equation
1,855,740,235.98 : 2,784,695,805.80 = 692,012,691.66 : x - Step 2: Convert to fraction form
1,855,740,235.98/2,784,695,805.80 = 692,012,691.66/x - Step 3: Cross multiply
1,855,740,235.98x = 2,784,695,805.80 × 692,012,691.66 - Step 4: Simplify right side
1,855,740,235.98x = 1,927,044,840,025,970,688 - Step 5: Solve for x
x = 1,927,044,840,025,970,688/1,855,740,235.98 - Step 6: Final answer
x = 1,038,423,806.66
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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.