Finding the Fourth Proportional to 828,803,378.86, 1,143,742,844.43 and 452,459,966.56
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Solution
The fourth proportional to 828,803,378.86, 1,143,742,844.43 and 452,459,966.56 is: 624,391,577.48
Step by Step Solution
- Step 1: Write the proportion equation
828,803,378.86 : 1,143,742,844.43 = 452,459,966.56 : x - Step 2: Convert to fraction form
828,803,378.86/1,143,742,844.43 = 452,459,966.56/x - Step 3: Cross multiply
828,803,378.86x = 1,143,742,844.43 × 452,459,966.56 - Step 4: Simplify right side
828,803,378.86x = 517,497,849,144,037,120 - Step 5: Solve for x
x = 517,497,849,144,037,120/828,803,378.86 - Step 6: Final answer
x = 624,391,577.48
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1.5x scale
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.