Finding the Fourth Proportional to 869,807,260.68, 1,200,348,467.08 and 473,346,960.28
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Solution
The fourth proportional to 869,807,260.68, 1,200,348,467.08 and 473,346,960.28 is: 653,226,667.39
Step by Step Solution
- Step 1: Write the proportion equation
869,807,260.68 : 1,200,348,467.08 = 473,346,960.28 : x - Step 2: Convert to fraction form
869,807,260.68/1,200,348,467.08 = 473,346,960.28/x - Step 3: Cross multiply
869,807,260.68x = 1,200,348,467.08 × 473,346,960.28 - Step 4: Simplify right side
869,807,260.68x = 568,181,298,169,075,584 - Step 5: Solve for x
x = 568,181,298,169,075,584/869,807,260.68 - Step 6: Final answer
x = 653,226,667.39
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1.5x scale
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.