Home / 1,345,896,005.40-2,018,844,008.10-528,034,987.80

Finding the Fourth Proportional to 1,345,896,005.40, 2,018,844,008.10 and 528,034,987.80

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Solution

The fourth proportional to 1,345,896,005.40, 2,018,844,008.10 and 528,034,987.80 is: 792,052,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,896,005.40 : 2,018,844,008.10 = 528,034,987.80 : x
  2. Step 2: Convert to fraction form
    1,345,896,005.40/2,018,844,008.10 = 528,034,987.80/x
  3. Step 3: Cross multiply
    1,345,896,005.40x = 2,018,844,008.10 × 528,034,987.80
  4. Step 4: Simplify right side
    1,345,896,005.40x = 1,066,020,271,187,186,560
  5. Step 5: Solve for x
    x = 1,066,020,271,187,186,560/1,345,896,005.40
  6. Step 6: Final answer
    x = 792,052,481.70

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Double scale
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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.