Finding the Fourth Proportional to 708,866,547.20, 1,063,299,820.80 and 417,434,508.80
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Solution
The fourth proportional to 708,866,547.20, 1,063,299,820.80 and 417,434,508.80 is: 626,151,763.20
Step by Step Solution
- Step 1: Write the proportion equation
708,866,547.20 : 1,063,299,820.80 = 417,434,508.80 : x - Step 2: Convert to fraction form
708,866,547.20/1,063,299,820.80 = 417,434,508.80/x - Step 3: Cross multiply
708,866,547.20x = 1,063,299,820.80 × 417,434,508.80 - Step 4: Simplify right side
708,866,547.20x = 443,858,038,402,776,000 - Step 5: Solve for x
x = 443,858,038,402,776,000/708,866,547.20 - Step 6: Final answer
x = 626,151,763.20
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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.