Home / 811,973,762.24-1,120,331,741.31-459,549,752.83

Finding the Fourth Proportional to 811,973,762.24, 1,120,331,741.31 and 459,549,752.83

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Solution

The fourth proportional to 811,973,762.24, 1,120,331,741.31 and 459,549,752.83 is: 634,069,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,973,762.24 : 1,120,331,741.31 = 459,549,752.83 : x
  2. Step 2: Convert to fraction form
    811,973,762.24/1,120,331,741.31 = 459,549,752.83/x
  3. Step 3: Cross multiply
    811,973,762.24x = 1,120,331,741.31 × 459,549,752.83
  4. Step 4: Simplify right side
    811,973,762.24x = 514,848,174,798,714,624
  5. Step 5: Solve for x
    x = 514,848,174,798,714,624/811,973,762.24
  6. Step 6: Final answer
    x = 634,069,964.75

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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.