Home / 28,124,848,307.18-38,812,329,098.45-15,264,488,464.43

Finding the Fourth Proportional to 28,124,848,307.18, 38,812,329,098.45 and 15,264,488,464.43

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Solution

The fourth proportional to 28,124,848,307.18, 38,812,329,098.45 and 15,264,488,464.43 is: 21,065,014,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124,848,307.18 : 38,812,329,098.45 = 15,264,488,464.43 : x
  2. Step 2: Convert to fraction form
    28,124,848,307.18/38,812,329,098.45 = 15,264,488,464.43/x
  3. Step 3: Cross multiply
    28,124,848,307.18x = 38,812,329,098.45 × 15,264,488,464.43
  4. Step 4: Simplify right side
    28,124,848,307.18x = 592,450,349,800,959,115,264
  5. Step 5: Solve for x
    x = 592,450,349,800,959,115,264/28,124,848,307.18
  6. Step 6: Final answer
    x = 21,065,014,940.89

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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.