Home / 868,903,982.40-1,303,355,973.60-501,571,963.20

Finding the Fourth Proportional to 868,903,982.40, 1,303,355,973.60 and 501,571,963.20

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Solution

The fourth proportional to 868,903,982.40, 1,303,355,973.60 and 501,571,963.20 is: 752,357,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,903,982.40 : 1,303,355,973.60 = 501,571,963.20 : x
  2. Step 2: Convert to fraction form
    868,903,982.40/1,303,355,973.60 = 501,571,963.20/x
  3. Step 3: Cross multiply
    868,903,982.40x = 1,303,355,973.60 × 501,571,963.20
  4. Step 4: Simplify right side
    868,903,982.40x = 653,726,814,426,999,296
  5. Step 5: Solve for x
    x = 653,726,814,426,999,296/868,903,982.40
  6. Step 6: Final answer
    x = 752,357,944.80

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1.5x scale

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.