Finding the Fourth Proportional to 1,073,901,237.84, 1,482,112,722.24 and 650,502,475.95
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Solution
The fourth proportional to 1,073,901,237.84, 1,482,112,722.24 and 650,502,475.95 is: 897,771,565.47
Step by Step Solution
- Step 1: Write the proportion equation
1,073,901,237.84 : 1,482,112,722.24 = 650,502,475.95 : x - Step 2: Convert to fraction form
1,073,901,237.84/1,482,112,722.24 = 650,502,475.95/x - Step 3: Cross multiply
1,073,901,237.84x = 1,482,112,722.24 × 650,502,475.95 - Step 4: Simplify right side
1,073,901,237.84x = 964,117,995,457,200,768 - Step 5: Solve for x
x = 964,117,995,457,200,768/1,073,901,237.84 - Step 6: Final answer
x = 897,771,565.47
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Double scale
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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.