Home / 806,771,699.46-1,210,509,545.74-282,517,075.76

Finding the Fourth Proportional to 806,771,699.46, 1,210,509,545.74 and 282,517,075.76

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Solution

The fourth proportional to 806,771,699.46, 1,210,509,545.74 and 282,517,075.76 is: 423,898,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,771,699.46 : 1,210,509,545.74 = 282,517,075.76 : x
  2. Step 2: Convert to fraction form
    806,771,699.46/1,210,509,545.74 = 282,517,075.76/x
  3. Step 3: Cross multiply
    806,771,699.46x = 1,210,509,545.74 × 282,517,075.76
  4. Step 4: Simplify right side
    806,771,699.46x = 341,989,617,042,030,784
  5. Step 5: Solve for x
    x = 341,989,617,042,030,784/806,771,699.46
  6. Step 6: Final answer
    x = 423,898,876.56

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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.