Finding the Fourth Proportional to 756,307,241.28, 1,044,564,926.40 and 508,358,128.32
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Solution
The fourth proportional to 756,307,241.28, 1,044,564,926.40 and 508,358,128.32 is: 702,112,900.57
Step by Step Solution
- Step 1: Write the proportion equation
756,307,241.28 : 1,044,564,926.40 = 508,358,128.32 : x - Step 2: Convert to fraction form
756,307,241.28/1,044,564,926.40 = 508,358,128.32/x - Step 3: Cross multiply
756,307,241.28x = 1,044,564,926.40 × 508,358,128.32 - Step 4: Simplify right side
756,307,241.28x = 531,013,070,893,422,528 - Step 5: Solve for x
x = 531,013,070,893,422,528/756,307,241.28 - Step 6: Final answer
x = 702,112,900.57
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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.