Finding the Fourth Proportional to 1,330,157,449.62, 1,835,681,259.33 and 735,430,929.30
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Solution
The fourth proportional to 1,330,157,449.62, 1,835,681,259.33 and 735,430,929.30 is: 1,014,930,055.71
Step by Step Solution
- Step 1: Write the proportion equation
1,330,157,449.62 : 1,835,681,259.33 = 735,430,929.30 : x - Step 2: Convert to fraction form
1,330,157,449.62/1,835,681,259.33 = 735,430,929.30/x - Step 3: Cross multiply
1,330,157,449.62x = 1,835,681,259.33 × 735,430,929.30 - Step 4: Simplify right side
1,330,157,449.62x = 1,350,016,774,447,655,936 - Step 5: Solve for x
x = 1,350,016,774,447,655,936/1,330,157,449.62 - Step 6: Final answer
x = 1,014,930,055.71
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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.