Finding the Fourth Proportional to 756,406,543.40, 1,134,609,815.10 and 464,326,569.80
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Solution
The fourth proportional to 756,406,543.40, 1,134,609,815.10 and 464,326,569.80 is: 696,489,854.70
Step by Step Solution
- Step 1: Write the proportion equation
756,406,543.40 : 1,134,609,815.10 = 464,326,569.80 : x - Step 2: Convert to fraction form
756,406,543.40/1,134,609,815.10 = 464,326,569.80/x - Step 3: Cross multiply
756,406,543.40x = 1,134,609,815.10 × 464,326,569.80 - Step 4: Simplify right side
756,406,543.40x = 526,829,483,506,795,200 - Step 5: Solve for x
x = 526,829,483,506,795,200/756,406,543.40 - Step 6: Final answer
x = 696,489,854.70
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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.