Home / 839,990,878.92-1,159,014,353.90-482,689,642.14

Finding the Fourth Proportional to 839,990,878.92, 1,159,014,353.90 and 482,689,642.14

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Solution

The fourth proportional to 839,990,878.92, 1,159,014,353.90 and 482,689,642.14 is: 666,012,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,990,878.92 : 1,159,014,353.90 = 482,689,642.14 : x
  2. Step 2: Convert to fraction form
    839,990,878.92/1,159,014,353.90 = 482,689,642.14/x
  3. Step 3: Cross multiply
    839,990,878.92x = 1,159,014,353.90 × 482,689,642.14
  4. Step 4: Simplify right side
    839,990,878.92x = 559,444,223,719,114,368
  5. Step 5: Solve for x
    x = 559,444,223,719,114,368/839,990,878.92
  6. Step 6: Final answer
    x = 666,012,260.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.