Finding the Fourth Proportional to 871,128,557.48, 1,202,157,582.30 and 474,651,547.04
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Solution
The fourth proportional to 871,128,557.48, 1,202,157,582.30 and 474,651,547.04 is: 655,019,229.17
Step by Step Solution
- Step 1: Write the proportion equation
871,128,557.48 : 1,202,157,582.30 = 474,651,547.04 : x - Step 2: Convert to fraction form
871,128,557.48/1,202,157,582.30 = 474,651,547.04/x - Step 3: Cross multiply
871,128,557.48x = 1,202,157,582.30 × 474,651,547.04 - Step 4: Simplify right side
871,128,557.48x = 570,605,956,227,566,528 - Step 5: Solve for x
x = 570,605,956,227,566,528/871,128,557.48 - Step 6: Final answer
x = 655,019,229.17
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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.