Home / 578,162,557.65-797,865,341.91-313,844,730.20

Finding the Fourth Proportional to 578,162,557.65, 797,865,341.91 and 313,844,730.20

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Solution

The fourth proportional to 578,162,557.65, 797,865,341.91 and 313,844,730.20 is: 433,106,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,162,557.65 : 797,865,341.91 = 313,844,730.20 : x
  2. Step 2: Convert to fraction form
    578,162,557.65/797,865,341.91 = 313,844,730.20/x
  3. Step 3: Cross multiply
    578,162,557.65x = 797,865,341.91 × 313,844,730.20
  4. Step 4: Simplify right side
    578,162,557.65x = 250,405,832,965,500,480
  5. Step 5: Solve for x
    x = 250,405,832,965,500,480/578,162,557.65
  6. Step 6: Final answer
    x = 433,106,277.21

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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.