Finding the Fourth Proportional to 974,480,368.80, 1,461,720,553.20 and 744,897,856.80
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Solution
The fourth proportional to 974,480,368.80, 1,461,720,553.20 and 744,897,856.80 is: 1,117,346,785.20
Step by Step Solution
- Step 1: Write the proportion equation
974,480,368.80 : 1,461,720,553.20 = 744,897,856.80 : x - Step 2: Convert to fraction form
974,480,368.80/1,461,720,553.20 = 744,897,856.80/x - Step 3: Cross multiply
974,480,368.80x = 1,461,720,553.20 × 744,897,856.80 - Step 4: Simplify right side
974,480,368.80x = 1,088,832,507,319,190,400 - Step 5: Solve for x
x = 1,088,832,507,319,190,400/974,480,368.80 - Step 6: Final answer
x = 1,117,346,785.20
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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.