Home / 896,872,623.80-1,345,308,935.70-413,143,215.80

Finding the Fourth Proportional to 896,872,623.80, 1,345,308,935.70 and 413,143,215.80

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Solution

The fourth proportional to 896,872,623.80, 1,345,308,935.70 and 413,143,215.80 is: 619,714,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,872,623.80 : 1,345,308,935.70 = 413,143,215.80 : x
  2. Step 2: Convert to fraction form
    896,872,623.80/1,345,308,935.70 = 413,143,215.80/x
  3. Step 3: Cross multiply
    896,872,623.80x = 1,345,308,935.70 × 413,143,215.80
  4. Step 4: Simplify right side
    896,872,623.80x = 555,805,259,939,573,440
  5. Step 5: Solve for x
    x = 555,805,259,939,573,440/896,872,623.80
  6. Step 6: Final answer
    x = 619,714,823.70

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1.5x scale

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.