Home / 14,129,158,915.04-19,498,655,219.36-7,785,935,356.32

Finding the Fourth Proportional to 14,129,158,915.04, 19,498,655,219.36 and 7,785,935,356.32

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Solution

The fourth proportional to 14,129,158,915.04, 19,498,655,219.36 and 7,785,935,356.32 is: 10,744,819,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129,158,915.04 : 19,498,655,219.36 = 7,785,935,356.32 : x
  2. Step 2: Convert to fraction form
    14,129,158,915.04/19,498,655,219.36 = 7,785,935,356.32/x
  3. Step 3: Cross multiply
    14,129,158,915.04x = 19,498,655,219.36 × 7,785,935,356.32
  4. Step 4: Simplify right side
    14,129,158,915.04x = 151,815,269,073,108,533,248
  5. Step 5: Solve for x
    x = 151,815,269,073,108,533,248/14,129,158,915.04
  6. Step 6: Final answer
    x = 10,744,819,984.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.