Finding the Fourth Proportional to 971,541,698.10, 1,457,312,547.15 and 797,202,478.05
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Solution
The fourth proportional to 971,541,698.10, 1,457,312,547.15 and 797,202,478.05 is: 1,195,803,717.08
Step by Step Solution
- Step 1: Write the proportion equation
971,541,698.10 : 1,457,312,547.15 = 797,202,478.05 : x - Step 2: Convert to fraction form
971,541,698.10/1,457,312,547.15 = 797,202,478.05/x - Step 3: Cross multiply
971,541,698.10x = 1,457,312,547.15 × 797,202,478.05 - Step 4: Simplify right side
971,541,698.10x = 1,161,773,173,881,337,344 - Step 5: Solve for x
x = 1,161,773,173,881,337,344/971,541,698.10 - Step 6: Final answer
x = 1,195,803,717.08
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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.