Home / 655,128,543.30-982,692,814.95-605,243,948.10

Finding the Fourth Proportional to 655,128,543.30, 982,692,814.95 and 605,243,948.10

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Solution

The fourth proportional to 655,128,543.30, 982,692,814.95 and 605,243,948.10 is: 907,865,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,128,543.30 : 982,692,814.95 = 605,243,948.10 : x
  2. Step 2: Convert to fraction form
    655,128,543.30/982,692,814.95 = 605,243,948.10/x
  3. Step 3: Cross multiply
    655,128,543.30x = 982,692,814.95 × 605,243,948.10
  4. Step 4: Simplify right side
    655,128,543.30x = 594,768,879,089,840,768
  5. Step 5: Solve for x
    x = 594,768,879,089,840,768/655,128,543.30
  6. Step 6: Final answer
    x = 907,865,922.15

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Double scale
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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.