Home / 1,528,731,667.32-2,293,074,457.26-687,780,526.08

Finding the Fourth Proportional to 1,528,731,667.32, 2,293,074,457.26 and 687,780,526.08

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Solution

The fourth proportional to 1,528,731,667.32, 2,293,074,457.26 and 687,780,526.08 is: 1,031,660,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,731,667.32 : 2,293,074,457.26 = 687,780,526.08 : x
  2. Step 2: Convert to fraction form
    1,528,731,667.32/2,293,074,457.26 = 687,780,526.08/x
  3. Step 3: Cross multiply
    1,528,731,667.32x = 2,293,074,457.26 × 687,780,526.08
  4. Step 4: Simplify right side
    1,528,731,667.32x = 1,577,131,956,554,893,568
  5. Step 5: Solve for x
    x = 1,577,131,956,554,893,568/1,528,731,667.32
  6. Step 6: Final answer
    x = 1,031,660,421.69

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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.