Home / 459,488,767.28-689,239,148.80-152,780,880.18

Finding the Fourth Proportional to 459,488,767.28, 689,239,148.80 and 152,780,880.18

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Solution

The fourth proportional to 459,488,767.28, 689,239,148.80 and 152,780,880.18 is: 229,173,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,488,767.28 : 689,239,148.80 = 152,780,880.18 : x
  2. Step 2: Convert to fraction form
    459,488,767.28/689,239,148.80 = 152,780,880.18/x
  3. Step 3: Cross multiply
    459,488,767.28x = 689,239,148.80 × 152,780,880.18
  4. Step 4: Simplify right side
    459,488,767.28x = 105,302,563,808,177,984
  5. Step 5: Solve for x
    x = 105,302,563,808,177,984/459,488,767.28
  6. Step 6: Final answer
    x = 229,173,314.58

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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.