Finding the Fourth Proportional to 1,742,688,090.80, 2,614,032,136.20 and 652,029,441.20
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Solution
The fourth proportional to 1,742,688,090.80, 2,614,032,136.20 and 652,029,441.20 is: 978,044,161.80
Step by Step Solution
- Step 1: Write the proportion equation
1,742,688,090.80 : 2,614,032,136.20 = 652,029,441.20 : x - Step 2: Convert to fraction form
1,742,688,090.80/2,614,032,136.20 = 652,029,441.20/x - Step 3: Cross multiply
1,742,688,090.80x = 2,614,032,136.20 × 652,029,441.20 - Step 4: Simplify right side
1,742,688,090.80x = 1,704,425,913,045,328,384 - Step 5: Solve for x
x = 1,704,425,913,045,328,384/1,742,688,090.80 - Step 6: Final answer
x = 978,044,161.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.