Finding the Fourth Proportional to 1,374,891,724,873.20, 1,897,265,090,607.70 and 757,559,896,406.68
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Solution
The fourth proportional to 1,374,891,724,873.20, 1,897,265,090,607.70 and 757,559,896,406.68 is: 1,045,385,552,545.48
Step by Step Solution
- Step 1: Write the proportion equation
1,374,891,724,873.20 : 1,897,265,090,607.70 = 757,559,896,406.68 : x - Step 2: Convert to fraction form
1,374,891,724,873.20/1,897,265,090,607.70 = 757,559,896,406.68/x - Step 3: Cross multiply
1,374,891,724,873.20x = 1,897,265,090,607.70 × 757,559,896,406.68 - Step 4: Simplify right side
1,374,891,724,873.20x = 1,437,291,945,496,779,547,475,968 - Step 5: Solve for x
x = 1,437,291,945,496,779,547,475,968/1,374,891,724,873.20 - Step 6: Final answer
x = 1,045,385,552,545.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.