Finding the Fourth Proportional to 1,035,862,720.84, 1,553,923,377.78 and 405,513,360.28
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Solution
The fourth proportional to 1,035,862,720.84, 1,553,923,377.78 and 405,513,360.28 is: 608,320,656.65
Step by Step Solution
- Step 1: Write the proportion equation
1,035,862,720.84 : 1,553,923,377.78 = 405,513,360.28 : x - Step 2: Convert to fraction form
1,035,862,720.84/1,553,923,377.78 = 405,513,360.28/x - Step 3: Cross multiply
1,035,862,720.84x = 1,553,923,377.78 × 405,513,360.28 - Step 4: Simplify right side
1,035,862,720.84x = 630,136,690,541,215,616 - Step 5: Solve for x
x = 630,136,690,541,215,616/1,035,862,720.84 - Step 6: Final answer
x = 608,320,656.65
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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.