Home / 307,024,927,036.56-423,800,915,481-210,998,888,730

Finding the Fourth Proportional to 307,024,927,036.56, 423,800,915,481 and 210,998,888,730

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Solution

The fourth proportional to 307,024,927,036.56, 423,800,915,481 and 210,998,888,730 is: 291,251,668,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,024,927,036.56 : 423,800,915,481 = 210,998,888,730 : x
  2. Step 2: Convert to fraction form
    307,024,927,036.56/423,800,915,481 = 210,998,888,730/x
  3. Step 3: Cross multiply
    307,024,927,036.56x = 423,800,915,481 × 210,998,888,730
  4. Step 4: Simplify right side
    307,024,927,036.56x = 89,421,522,209,247,655,362,560
  5. Step 5: Solve for x
    x = 89,421,522,209,247,655,362,560/307,024,927,036.56
  6. Step 6: Final answer
    x = 291,251,668,300.53

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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.