Finding the Fourth Proportional to 974,480,341.55, 1,461,720,512.33 and 744,897,829.55
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Solution
The fourth proportional to 974,480,341.55, 1,461,720,512.33 and 744,897,829.55 is: 1,117,346,744.33
Step by Step Solution
- Step 1: Write the proportion equation
974,480,341.55 : 1,461,720,512.33 = 744,897,829.55 : x - Step 2: Convert to fraction form
974,480,341.55/1,461,720,512.33 = 744,897,829.55/x - Step 3: Cross multiply
974,480,341.55x = 1,461,720,512.33 × 744,897,829.55 - Step 4: Simplify right side
974,480,341.55x = 1,088,832,437,039,606,528 - Step 5: Solve for x
x = 1,088,832,437,039,606,528/974,480,341.55 - Step 6: Final answer
x = 1,117,346,744.33
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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.