Finding the Fourth Proportional to 746,500,552.90, 1,119,750,829.35 and 439,634,709.70
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Solution
The fourth proportional to 746,500,552.90, 1,119,750,829.35 and 439,634,709.70 is: 659,452,064.55
Step by Step Solution
- Step 1: Write the proportion equation
746,500,552.90 : 1,119,750,829.35 = 439,634,709.70 : x - Step 2: Convert to fraction form
746,500,552.90/1,119,750,829.35 = 439,634,709.70/x - Step 3: Cross multiply
746,500,552.90x = 1,119,750,829.35 × 439,634,709.70 - Step 4: Simplify right side
746,500,552.90x = 492,281,330,797,621,440 - Step 5: Solve for x
x = 492,281,330,797,621,440/746,500,552.90 - Step 6: Final answer
x = 659,452,064.55
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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.