Finding the Fourth Proportional to 1,885,709,539,921.90, 2,828,564,306,685.90 and 453,117,434,282.81
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Solution
The fourth proportional to 1,885,709,539,921.90, 2,828,564,306,685.90 and 453,117,434,282.81 is: 679,676,150,656.02
Step by Step Solution
- Step 1: Write the proportion equation
1,885,709,539,921.90 : 2,828,564,306,685.90 = 453,117,434,282.81 : x - Step 2: Convert to fraction form
1,885,709,539,921.90/2,828,564,306,685.90 = 453,117,434,282.81/x - Step 3: Cross multiply
1,885,709,539,921.90x = 2,828,564,306,685.90 × 453,117,434,282.81 - Step 4: Simplify right side
1,885,709,539,921.90x = 1,281,671,801,349,450,370,121,728 - Step 5: Solve for x
x = 1,281,671,801,349,450,370,121,728/1,885,709,539,921.90 - Step 6: Final answer
x = 679,676,150,656.02
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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.