Home / 1,237,455,254.48-1,707,649,158.12-680,536,579.28

Finding the Fourth Proportional to 1,237,455,254.48, 1,707,649,158.12 and 680,536,579.28

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Solution

The fourth proportional to 1,237,455,254.48, 1,707,649,158.12 and 680,536,579.28 is: 939,118,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,455,254.48 : 1,707,649,158.12 = 680,536,579.28 : x
  2. Step 2: Convert to fraction form
    1,237,455,254.48/1,707,649,158.12 = 680,536,579.28/x
  3. Step 3: Cross multiply
    1,237,455,254.48x = 1,707,649,158.12 × 680,536,579.28
  4. Step 4: Simplify right side
    1,237,455,254.48x = 1,162,117,716,677,356,544
  5. Step 5: Solve for x
    x = 1,162,117,716,677,356,544/1,237,455,254.48
  6. Step 6: Final answer
    x = 939,118,980.24

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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.