Finding the Fourth Proportional to 961,782,034.81, 1,326,574,987.80 and 882,652,623.70
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Solution
The fourth proportional to 961,782,034.81, 1,326,574,987.80 and 882,652,623.70 is: 1,217,432,693.83
Step by Step Solution
- Step 1: Write the proportion equation
961,782,034.81 : 1,326,574,987.80 = 882,652,623.70 : x - Step 2: Convert to fraction form
961,782,034.81/1,326,574,987.80 = 882,652,623.70/x - Step 3: Cross multiply
961,782,034.81x = 1,326,574,987.80 × 882,652,623.70 - Step 4: Simplify right side
961,782,034.81x = 1,170,904,893,516,465,408 - Step 5: Solve for x
x = 1,170,904,893,516,465,408/961,782,034.81 - Step 6: Final answer
x = 1,217,432,693.83
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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.