Home / 1,039,720,547.72-1,559,568,798.20-252,778,658.16

Finding the Fourth Proportional to 1,039,720,547.72, 1,559,568,798.20 and 252,778,658.16

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Solution

The fourth proportional to 1,039,720,547.72, 1,559,568,798.20 and 252,778,658.16 is: 379,165,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,720,547.72 : 1,559,568,798.20 = 252,778,658.16 : x
  2. Step 2: Convert to fraction form
    1,039,720,547.72/1,559,568,798.20 = 252,778,658.16/x
  3. Step 3: Cross multiply
    1,039,720,547.72x = 1,559,568,798.20 × 252,778,658.16
  4. Step 4: Simplify right side
    1,039,720,547.72x = 394,225,708,117,199,808
  5. Step 5: Solve for x
    x = 394,225,708,117,199,808/1,039,720,547.72
  6. Step 6: Final answer
    x = 379,165,064.10

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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.