Finding the Fourth Proportional to 1,249,274,281.98, 1,862,742,579.44 and 1,214,951,248.26
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Solution
The fourth proportional to 1,249,274,281.98, 1,862,742,579.44 and 1,214,951,248.26 is: 1,811,564,885.88
Step by Step Solution
- Step 1: Write the proportion equation
1,249,274,281.98 : 1,862,742,579.44 = 1,214,951,248.26 : x - Step 2: Convert to fraction form
1,249,274,281.98/1,862,742,579.44 = 1,214,951,248.26/x - Step 3: Cross multiply
1,249,274,281.98x = 1,862,742,579.44 × 1,214,951,248.26 - Step 4: Simplify right side
1,249,274,281.98x = 2,263,141,422,071,605,248 - Step 5: Solve for x
x = 2,263,141,422,071,605,248/1,249,274,281.98 - Step 6: Final answer
x = 1,811,564,885.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.