Home / 10,400,935,148.12-15,604,217,576.39-7,416,768,300.90

Finding the Fourth Proportional to 10,400,935,148.12, 15,604,217,576.39 and 7,416,768,300.90

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Solution

The fourth proportional to 10,400,935,148.12, 15,604,217,576.39 and 7,416,768,300.90 is: 11,127,159,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,935,148.12 : 15,604,217,576.39 = 7,416,768,300.90 : x
  2. Step 2: Convert to fraction form
    10,400,935,148.12/15,604,217,576.39 = 7,416,768,300.90/x
  3. Step 3: Cross multiply
    10,400,935,148.12x = 15,604,217,576.39 × 7,416,768,300.90
  4. Step 4: Simplify right side
    10,400,935,148.12x = 115,732,866,280,919,072,768
  5. Step 5: Solve for x
    x = 115,732,866,280,919,072,768/10,400,935,148.12
  6. Step 6: Final answer
    x = 11,127,159,686.39

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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.