Home / 1,345,896,006.40-2,018,844,009.60-528,034,988.80

Finding the Fourth Proportional to 1,345,896,006.40, 2,018,844,009.60 and 528,034,988.80

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Solution

The fourth proportional to 1,345,896,006.40, 2,018,844,009.60 and 528,034,988.80 is: 792,052,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,896,006.40 : 2,018,844,009.60 = 528,034,988.80 : x
  2. Step 2: Convert to fraction form
    1,345,896,006.40/2,018,844,009.60 = 528,034,988.80/x
  3. Step 3: Cross multiply
    1,345,896,006.40x = 2,018,844,009.60 × 528,034,988.80
  4. Step 4: Simplify right side
    1,345,896,006.40x = 1,066,020,273,998,083,072
  5. Step 5: Solve for x
    x = 1,066,020,273,998,083,072/1,345,896,006.40
  6. Step 6: Final answer
    x = 792,052,483.20

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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.