Finding the Fourth Proportional to 1,030,933,762.08, 1,422,735,439.70 and 607,565,291.18
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Solution
The fourth proportional to 1,030,933,762.08, 1,422,735,439.70 and 607,565,291.18 is: 838,467,711.01
Step by Step Solution
- Step 1: Write the proportion equation
1,030,933,762.08 : 1,422,735,439.70 = 607,565,291.18 : x - Step 2: Convert to fraction form
1,030,933,762.08/1,422,735,439.70 = 607,565,291.18/x - Step 3: Cross multiply
1,030,933,762.08x = 1,422,735,439.70 × 607,565,291.18 - Step 4: Simplify right side
1,030,933,762.08x = 864,404,671,693,435,776 - Step 5: Solve for x
x = 864,404,671,693,435,776/1,030,933,762.08 - Step 6: Final answer
x = 838,467,711.01
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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.