Home / 487,159,059.60-729,303,698.70-458,780,110.20

Finding the Fourth Proportional to 487,159,059.60, 729,303,698.70 and 458,780,110.20

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Solution

The fourth proportional to 487,159,059.60, 729,303,698.70 and 458,780,110.20 is: 686,818,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,159,059.60 : 729,303,698.70 = 458,780,110.20 : x
  2. Step 2: Convert to fraction form
    487,159,059.60/729,303,698.70 = 458,780,110.20/x
  3. Step 3: Cross multiply
    487,159,059.60x = 729,303,698.70 × 458,780,110.20
  4. Step 4: Simplify right side
    487,159,059.60x = 334,590,031,258,853,632
  5. Step 5: Solve for x
    x = 334,590,031,258,853,632/487,159,059.60
  6. Step 6: Final answer
    x = 686,818,862.68

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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.