Home / 10,070,784,200.40-15,106,176,300.60-9,877,292,437.20

Finding the Fourth Proportional to 10,070,784,200.40, 15,106,176,300.60 and 9,877,292,437.20

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Solution

The fourth proportional to 10,070,784,200.40, 15,106,176,300.60 and 9,877,292,437.20 is: 14,815,938,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070,784,200.40 : 15,106,176,300.60 = 9,877,292,437.20 : x
  2. Step 2: Convert to fraction form
    10,070,784,200.40/15,106,176,300.60 = 9,877,292,437.20/x
  3. Step 3: Cross multiply
    10,070,784,200.40x = 15,106,176,300.60 × 9,877,292,437.20
  4. Step 4: Simplify right side
    10,070,784,200.40x = 149,208,120,928,926,269,440
  5. Step 5: Solve for x
    x = 149,208,120,928,926,269,440/10,070,784,200.40
  6. Step 6: Final answer
    x = 14,815,938,655.80

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Double scale
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Similar ratio
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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.