Finding the Fourth Proportional to 1,539,544,106.16, 2,124,615,675.96 and 870,474,778.74
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Solution
The fourth proportional to 1,539,544,106.16, 2,124,615,675.96 and 870,474,778.74 is: 1,201,280,530.41
Step by Step Solution
- Step 1: Write the proportion equation
1,539,544,106.16 : 2,124,615,675.96 = 870,474,778.74 : x - Step 2: Convert to fraction form
1,539,544,106.16/2,124,615,675.96 = 870,474,778.74/x - Step 3: Cross multiply
1,539,544,106.16x = 2,124,615,675.96 × 870,474,778.74 - Step 4: Simplify right side
1,539,544,106.16x = 1,849,424,360,438,816,512 - Step 5: Solve for x
x = 1,849,424,360,438,816,512/1,539,544,106.16 - Step 6: Final answer
x = 1,201,280,530.41
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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.