Finding the Fourth Proportional to 2,510,174,917,948.80, 3,765,262,376,923.20 and 812,459,593,101.90
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Solution
The fourth proportional to 2,510,174,917,948.80, 3,765,262,376,923.20 and 812,459,593,101.90 is: 1,218,689,389,652.85
Step by Step Solution
- Step 1: Write the proportion equation
2,510,174,917,948.80 : 3,765,262,376,923.20 = 812,459,593,101.90 : x - Step 2: Convert to fraction form
2,510,174,917,948.80/3,765,262,376,923.20 = 812,459,593,101.90/x - Step 3: Cross multiply
2,510,174,917,948.80x = 3,765,262,376,923.20 × 812,459,593,101.90 - Step 4: Simplify right side
2,510,174,917,948.80x = 3,059,123,538,676,916,238,155,776 - Step 5: Solve for x
x = 3,059,123,538,676,916,238,155,776/2,510,174,917,948.80 - Step 6: Final answer
x = 1,218,689,389,652.85
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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.