Finding the Fourth Proportional to 4,365,157,719.84, 6,547,642,041.20 and 1,217,288,339.36
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Solution
The fourth proportional to 4,365,157,719.84, 6,547,642,041.20 and 1,217,288,339.36 is: 1,825,906,145.57
Step by Step Solution
- Step 1: Write the proportion equation
4,365,157,719.84 : 6,547,642,041.20 = 1,217,288,339.36 : x - Step 2: Convert to fraction form
4,365,157,719.84/6,547,642,041.20 = 1,217,288,339.36/x - Step 3: Cross multiply
4,365,157,719.84x = 6,547,642,041.20 × 1,217,288,339.36 - Step 4: Simplify right side
4,365,157,719.84x = 7,970,368,307,056,067,584 - Step 5: Solve for x
x = 7,970,368,307,056,067,584/4,365,157,719.84 - Step 6: Final answer
x = 1,825,906,145.57
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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.