Home / 1,227,607,538.40-1,841,411,307.60-737,831,512.80

Finding the Fourth Proportional to 1,227,607,538.40, 1,841,411,307.60 and 737,831,512.80

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Solution

The fourth proportional to 1,227,607,538.40, 1,841,411,307.60 and 737,831,512.80 is: 1,106,747,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,607,538.40 : 1,841,411,307.60 = 737,831,512.80 : x
  2. Step 2: Convert to fraction form
    1,227,607,538.40/1,841,411,307.60 = 737,831,512.80/x
  3. Step 3: Cross multiply
    1,227,607,538.40x = 1,841,411,307.60 × 737,831,512.80
  4. Step 4: Simplify right side
    1,227,607,538.40x = 1,358,651,290,773,533,952
  5. Step 5: Solve for x
    x = 1,358,651,290,773,533,952/1,227,607,538.40
  6. Step 6: Final answer
    x = 1,106,747,269.20

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Double scale
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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.