Finding the Fourth Proportional to 1,918,585,735.42, 2,878,153,129.04 and 590,726,126.06
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Solution
The fourth proportional to 1,918,585,735.42, 2,878,153,129.04 and 590,726,126.06 is: 886,173,714.70
Step by Step Solution
- Step 1: Write the proportion equation
1,918,585,735.42 : 2,878,153,129.04 = 590,726,126.06 : x - Step 2: Convert to fraction form
1,918,585,735.42/2,878,153,129.04 = 590,726,126.06/x - Step 3: Cross multiply
1,918,585,735.42x = 2,878,153,129.04 × 590,726,126.06 - Step 4: Simplify right side
1,918,585,735.42x = 1,700,200,248,130,908,928 - Step 5: Solve for x
x = 1,700,200,248,130,908,928/1,918,585,735.42 - Step 6: Final answer
x = 886,173,714.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.