Finding the Fourth Proportional to 936,808,714.44, 1,292,803,728.12 and 519,127,975.08
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Solution
The fourth proportional to 936,808,714.44, 1,292,803,728.12 and 519,127,975.08 is: 716,400,873.74
Step by Step Solution
- Step 1: Write the proportion equation
936,808,714.44 : 1,292,803,728.12 = 519,127,975.08 : x - Step 2: Convert to fraction form
936,808,714.44/1,292,803,728.12 = 519,127,975.08/x - Step 3: Cross multiply
936,808,714.44x = 1,292,803,728.12 × 519,127,975.08 - Step 4: Simplify right side
936,808,714.44x = 671,130,581,554,810,368 - Step 5: Solve for x
x = 671,130,581,554,810,368/936,808,714.44 - Step 6: Final answer
x = 716,400,873.74
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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.