Finding the Fourth Proportional to 1,488,475,483.92, 2,232,774,865.74 and 439,213,652.40
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Solution
The fourth proportional to 1,488,475,483.92, 2,232,774,865.74 and 439,213,652.40 is: 658,838,667.05
Step by Step Solution
- Step 1: Write the proportion equation
1,488,475,483.92 : 2,232,774,865.74 = 439,213,652.40 : x - Step 2: Convert to fraction form
1,488,475,483.92/2,232,774,865.74 = 439,213,652.40/x - Step 3: Cross multiply
1,488,475,483.92x = 2,232,774,865.74 × 439,213,652.40 - Step 4: Simplify right side
1,488,475,483.92x = 980,665,203,768,584,832 - Step 5: Solve for x
x = 980,665,203,768,584,832/1,488,475,483.92 - Step 6: Final answer
x = 658,838,667.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.