Finding the Fourth Proportional to 1,154,573,745.13, 1,593,484,283.51 and 908,903,777.77
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Solution
The fourth proportional to 1,154,573,745.13, 1,593,484,283.51 and 908,903,777.77 is: 1,254,423,020.80
Step by Step Solution
- Step 1: Write the proportion equation
1,154,573,745.13 : 1,593,484,283.51 = 908,903,777.77 : x - Step 2: Convert to fraction form
1,154,573,745.13/1,593,484,283.51 = 908,903,777.77/x - Step 3: Cross multiply
1,154,573,745.13x = 1,593,484,283.51 × 908,903,777.77 - Step 4: Simplify right side
1,154,573,745.13x = 1,448,323,885,099,360,768 - Step 5: Solve for x
x = 1,448,323,885,099,360,768/1,154,573,745.13 - Step 6: Final answer
x = 1,254,423,020.80
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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.