Finding the Fourth Proportional to 702,973,708.80, 1,054,460,563.20 and 589,032,758.40
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Solution
The fourth proportional to 702,973,708.80, 1,054,460,563.20 and 589,032,758.40 is: 883,549,137.60
Step by Step Solution
- Step 1: Write the proportion equation
702,973,708.80 : 1,054,460,563.20 = 589,032,758.40 : x - Step 2: Convert to fraction form
702,973,708.80/1,054,460,563.20 = 589,032,758.40/x - Step 3: Cross multiply
702,973,708.80x = 1,054,460,563.20 × 589,032,758.40 - Step 4: Simplify right side
702,973,708.80x = 621,111,814,165,713,536 - Step 5: Solve for x
x = 621,111,814,165,713,536/702,973,708.80 - Step 6: Final answer
x = 883,549,137.60
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1.5x scale
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.