Home / 10,400,935,149.62-15,604,217,578.64-7,416,768,302.40

Finding the Fourth Proportional to 10,400,935,149.62, 15,604,217,578.64 and 7,416,768,302.40

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Solution

The fourth proportional to 10,400,935,149.62, 15,604,217,578.64 and 7,416,768,302.40 is: 11,127,159,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,935,149.62 : 15,604,217,578.64 = 7,416,768,302.40 : x
  2. Step 2: Convert to fraction form
    10,400,935,149.62/15,604,217,578.64 = 7,416,768,302.40/x
  3. Step 3: Cross multiply
    10,400,935,149.62x = 15,604,217,578.64 × 7,416,768,302.40
  4. Step 4: Simplify right side
    10,400,935,149.62x = 115,732,866,320,972,939,264
  5. Step 5: Solve for x
    x = 115,732,866,320,972,939,264/10,400,935,149.62
  6. Step 6: Final answer
    x = 11,127,159,688.64

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1.5x scale

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.