Finding the Fourth Proportional to 1,165,018,813.60, 1,747,528,220.40 and 707,864,663.20
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Solution
The fourth proportional to 1,165,018,813.60, 1,747,528,220.40 and 707,864,663.20 is: 1,061,796,994.80
Step by Step Solution
- Step 1: Write the proportion equation
1,165,018,813.60 : 1,747,528,220.40 = 707,864,663.20 : x - Step 2: Convert to fraction form
1,165,018,813.60/1,747,528,220.40 = 707,864,663.20/x - Step 3: Cross multiply
1,165,018,813.60x = 1,747,528,220.40 × 707,864,663.20 - Step 4: Simplify right side
1,165,018,813.60x = 1,237,013,475,165,941,504 - Step 5: Solve for x
x = 1,237,013,475,165,941,504/1,165,018,813.60 - Step 6: Final answer
x = 1,061,796,994.80
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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.