Finding the Fourth Proportional to 4,326,603,401.10, 6,489,905,101.65 and 4,280,686,898.70
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Solution
The fourth proportional to 4,326,603,401.10, 6,489,905,101.65 and 4,280,686,898.70 is: 6,421,030,348.05
Step by Step Solution
- Step 1: Write the proportion equation
4,326,603,401.10 : 6,489,905,101.65 = 4,280,686,898.70 : x - Step 2: Convert to fraction form
4,326,603,401.10/6,489,905,101.65 = 4,280,686,898.70/x - Step 3: Cross multiply
4,326,603,401.10x = 6,489,905,101.65 × 4,280,686,898.70 - Step 4: Simplify right side
4,326,603,401.10x = 27,781,251,742,439,444,480 - Step 5: Solve for x
x = 27,781,251,742,439,444,480/4,326,603,401.10 - Step 6: Final answer
x = 6,421,030,348.05
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Double scale
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Similar ratio
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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.