Home / 1,429,046,809.12-2,143,332,459.38-432,830,984.07

Finding the Fourth Proportional to 1,429,046,809.12, 2,143,332,459.38 and 432,830,984.07

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Solution

The fourth proportional to 1,429,046,809.12, 2,143,332,459.38 and 432,830,984.07 is: 649,174,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,046,809.12 : 2,143,332,459.38 = 432,830,984.07 : x
  2. Step 2: Convert to fraction form
    1,429,046,809.12/2,143,332,459.38 = 432,830,984.07/x
  3. Step 3: Cross multiply
    1,429,046,809.12x = 2,143,332,459.38 × 432,830,984.07
  4. Step 4: Simplify right side
    1,429,046,809.12x = 927,700,697,575,663,360
  5. Step 5: Solve for x
    x = 927,700,697,575,663,360/1,429,046,809.12
  6. Step 6: Final answer
    x = 649,174,464.86

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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.