Home / 79,729,283,841.60-119,593,925,762.40-78,489,538,276.80

Finding the Fourth Proportional to 79,729,283,841.60, 119,593,925,762.40 and 78,489,538,276.80

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Solution

The fourth proportional to 79,729,283,841.60, 119,593,925,762.40 and 78,489,538,276.80 is: 117,734,307,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,729,283,841.60 : 119,593,925,762.40 = 78,489,538,276.80 : x
  2. Step 2: Convert to fraction form
    79,729,283,841.60/119,593,925,762.40 = 78,489,538,276.80/x
  3. Step 3: Cross multiply
    79,729,283,841.60x = 119,593,925,762.40 × 78,489,538,276.80
  4. Step 4: Simplify right side
    79,729,283,841.60x = 9,386,872,013,800,671,805,440
  5. Step 5: Solve for x
    x = 9,386,872,013,800,671,805,440/79,729,283,841.60
  6. Step 6: Final answer
    x = 117,734,307,415.20

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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.