Finding the Fourth Proportional to 3,464,142,509.99, 4,780,578,673.11 and 1,878,287,923.91
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Solution
The fourth proportional to 3,464,142,509.99, 4,780,578,673.11 and 1,878,287,923.91 is: 2,592,070,956.98
Step by Step Solution
- Step 1: Write the proportion equation
3,464,142,509.99 : 4,780,578,673.11 = 1,878,287,923.91 : x - Step 2: Convert to fraction form
3,464,142,509.99/4,780,578,673.11 = 1,878,287,923.91/x - Step 3: Cross multiply
3,464,142,509.99x = 4,780,578,673.11 × 1,878,287,923.91 - Step 4: Simplify right side
3,464,142,509.99x = 8,979,303,190,970,908,672 - Step 5: Solve for x
x = 8,979,303,190,970,908,672/3,464,142,509.99 - Step 6: Final answer
x = 2,592,070,956.98
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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.