Home / 402,931,258.40-604,396,887.60-144,154,920.80

Finding the Fourth Proportional to 402,931,258.40, 604,396,887.60 and 144,154,920.80

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Solution

The fourth proportional to 402,931,258.40, 604,396,887.60 and 144,154,920.80 is: 216,232,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,931,258.40 : 604,396,887.60 = 144,154,920.80 : x
  2. Step 2: Convert to fraction form
    402,931,258.40/604,396,887.60 = 144,154,920.80/x
  3. Step 3: Cross multiply
    402,931,258.40x = 604,396,887.60 × 144,154,920.80
  4. Step 4: Simplify right side
    402,931,258.40x = 87,126,785,463,744,512
  5. Step 5: Solve for x
    x = 87,126,785,463,744,512/402,931,258.40
  6. Step 6: Final answer
    x = 216,232,381.20

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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.