Home / 731,012,598.40-1,096,518,897.60-698,763,971.20

Finding the Fourth Proportional to 731,012,598.40, 1,096,518,897.60 and 698,763,971.20

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Solution

The fourth proportional to 731,012,598.40, 1,096,518,897.60 and 698,763,971.20 is: 1,048,145,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,012,598.40 : 1,096,518,897.60 = 698,763,971.20 : x
  2. Step 2: Convert to fraction form
    731,012,598.40/1,096,518,897.60 = 698,763,971.20/x
  3. Step 3: Cross multiply
    731,012,598.40x = 1,096,518,897.60 × 698,763,971.20
  4. Step 4: Simplify right side
    731,012,598.40x = 766,207,899,382,822,144
  5. Step 5: Solve for x
    x = 766,207,899,382,822,144/731,012,598.40
  6. Step 6: Final answer
    x = 1,048,145,956.80

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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.