Home / 13,519,249,459.74-18,654,097,412.52-7,801,447,950.72

Finding the Fourth Proportional to 13,519,249,459.74, 18,654,097,412.52 and 7,801,447,950.72

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Solution

The fourth proportional to 13,519,249,459.74, 18,654,097,412.52 and 7,801,447,950.72 is: 10,764,574,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519,249,459.74 : 18,654,097,412.52 = 7,801,447,950.72 : x
  2. Step 2: Convert to fraction form
    13,519,249,459.74/18,654,097,412.52 = 7,801,447,950.72/x
  3. Step 3: Cross multiply
    13,519,249,459.74x = 18,654,097,412.52 × 7,801,447,950.72
  4. Step 4: Simplify right side
    13,519,249,459.74x = 145,528,970,031,435,415,552
  5. Step 5: Solve for x
    x = 145,528,970,031,435,415,552/13,519,249,459.74
  6. Step 6: Final answer
    x = 10,764,574,650.75

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Double scale
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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.