Finding the Fourth Proportional to 1,534,679,973.20, 2,302,019,959.80 and 565,709,502.80
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Solution
The fourth proportional to 1,534,679,973.20, 2,302,019,959.80 and 565,709,502.80 is: 848,564,254.20
Step by Step Solution
- Step 1: Write the proportion equation
1,534,679,973.20 : 2,302,019,959.80 = 565,709,502.80 : x - Step 2: Convert to fraction form
1,534,679,973.20/2,302,019,959.80 = 565,709,502.80/x - Step 3: Cross multiply
1,534,679,973.20x = 2,302,019,959.80 × 565,709,502.80 - Step 4: Simplify right side
1,534,679,973.20x = 1,302,274,566,894,134,016 - Step 5: Solve for x
x = 1,302,274,566,894,134,016/1,534,679,973.20 - Step 6: Final answer
x = 848,564,254.20
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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.