Finding the Fourth Proportional to 772,937,269.90, 1,159,405,904.85 and 528,049,257.10
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Solution
The fourth proportional to 772,937,269.90, 1,159,405,904.85 and 528,049,257.10 is: 792,073,885.65
Step by Step Solution
- Step 1: Write the proportion equation
772,937,269.90 : 1,159,405,904.85 = 528,049,257.10 : x - Step 2: Convert to fraction form
772,937,269.90/1,159,405,904.85 = 528,049,257.10/x - Step 3: Cross multiply
772,937,269.90x = 1,159,405,904.85 × 528,049,257.10 - Step 4: Simplify right side
772,937,269.90x = 612,223,426,733,395,712 - Step 5: Solve for x
x = 612,223,426,733,395,712/772,937,269.90 - Step 6: Final answer
x = 792,073,885.65
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Similar ratio
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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.