Home / 1,299,307,128.40-1,948,960,692.60-1,009,069,483.60

Finding the Fourth Proportional to 1,299,307,128.40, 1,948,960,692.60 and 1,009,069,483.60

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Solution

The fourth proportional to 1,299,307,128.40, 1,948,960,692.60 and 1,009,069,483.60 is: 1,513,604,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,307,128.40 : 1,948,960,692.60 = 1,009,069,483.60 : x
  2. Step 2: Convert to fraction form
    1,299,307,128.40/1,948,960,692.60 = 1,009,069,483.60/x
  3. Step 3: Cross multiply
    1,299,307,128.40x = 1,948,960,692.60 × 1,009,069,483.60
  4. Step 4: Simplify right side
    1,299,307,128.40x = 1,966,636,759,638,580,224
  5. Step 5: Solve for x
    x = 1,966,636,759,638,580,224/1,299,307,128.40
  6. Step 6: Final answer
    x = 1,513,604,225.40

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Double scale
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Similar ratio
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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.