Finding the Fourth Proportional to 1,053,048,109.80, 1,579,572,164.70 and 536,487,457.80
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Solution
The fourth proportional to 1,053,048,109.80, 1,579,572,164.70 and 536,487,457.80 is: 804,731,186.70
Step by Step Solution
- Step 1: Write the proportion equation
1,053,048,109.80 : 1,579,572,164.70 = 536,487,457.80 : x - Step 2: Convert to fraction form
1,053,048,109.80/1,579,572,164.70 = 536,487,457.80/x - Step 3: Cross multiply
1,053,048,109.80x = 1,579,572,164.70 × 536,487,457.80 - Step 4: Simplify right side
1,053,048,109.80x = 847,420,655,051,545,984 - Step 5: Solve for x
x = 847,420,655,051,545,984/1,053,048,109.80 - Step 6: Final answer
x = 804,731,186.70
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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.