Home / 1,530,624,823.72-2,112,329,147.45-861,613,038.16

Finding the Fourth Proportional to 1,530,624,823.72, 2,112,329,147.45 and 861,613,038.16

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Solution

The fourth proportional to 1,530,624,823.72, 2,112,329,147.45 and 861,613,038.16 is: 1,189,063,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,624,823.72 : 2,112,329,147.45 = 861,613,038.16 : x
  2. Step 2: Convert to fraction form
    1,530,624,823.72/2,112,329,147.45 = 861,613,038.16/x
  3. Step 3: Cross multiply
    1,530,624,823.72x = 2,112,329,147.45 × 861,613,038.16
  4. Step 4: Simplify right side
    1,530,624,823.72x = 1,820,010,334,328,317,184
  5. Step 5: Solve for x
    x = 1,820,010,334,328,317,184/1,530,624,823.72
  6. Step 6: Final answer
    x = 1,189,063,646.51

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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.