Finding the Fourth Proportional to 1,050,240,141.80, 1,575,360,212.70 and 506,044,557.80
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Solution
The fourth proportional to 1,050,240,141.80, 1,575,360,212.70 and 506,044,557.80 is: 759,066,836.70
Step by Step Solution
- Step 1: Write the proportion equation
1,050,240,141.80 : 1,575,360,212.70 = 506,044,557.80 : x - Step 2: Convert to fraction form
1,050,240,141.80/1,575,360,212.70 = 506,044,557.80/x - Step 3: Cross multiply
1,050,240,141.80x = 1,575,360,212.70 × 506,044,557.80 - Step 4: Simplify right side
1,050,240,141.80x = 797,202,462,211,485,440 - Step 5: Solve for x
x = 797,202,462,211,485,440/1,050,240,141.80 - Step 6: Final answer
x = 759,066,836.70
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Double scale
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Similar ratio
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1.5x scale
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.