Home / 1,019,343,415.82-1,405,896,998.85-662,226,254.96

Finding the Fourth Proportional to 1,019,343,415.82, 1,405,896,998.85 and 662,226,254.96

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Solution

The fourth proportional to 1,019,343,415.82, 1,405,896,998.85 and 662,226,254.96 is: 913,354,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,343,415.82 : 1,405,896,998.85 = 662,226,254.96 : x
  2. Step 2: Convert to fraction form
    1,019,343,415.82/1,405,896,998.85 = 662,226,254.96/x
  3. Step 3: Cross multiply
    1,019,343,415.82x = 1,405,896,998.85 × 662,226,254.96
  4. Step 4: Simplify right side
    1,019,343,415.82x = 931,021,904,400,909,440
  5. Step 5: Solve for x
    x = 931,021,904,400,909,440/1,019,343,415.82
  6. Step 6: Final answer
    x = 913,354,508.36

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Double scale
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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.