Finding the Fourth Proportional to 570,121,875.09, 855,185,660.10 and 201,657,166.92
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Solution
The fourth proportional to 570,121,875.09, 855,185,660.10 and 201,657,166.92 is: 302,486,757.55
Step by Step Solution
- Step 1: Write the proportion equation
570,121,875.09 : 855,185,660.10 = 201,657,166.92 : x - Step 2: Convert to fraction form
570,121,875.09/855,185,660.10 = 201,657,166.92/x - Step 3: Cross multiply
570,121,875.09x = 855,185,660.10 × 201,657,166.92 - Step 4: Simplify right side
570,121,875.09x = 172,454,317,406,376,064 - Step 5: Solve for x
x = 172,454,317,406,376,064/570,121,875.09 - Step 6: Final answer
x = 302,486,757.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.