Home / 13,941,671,063.77-19,239,571,221.52-7,920,506,865.32

Finding the Fourth Proportional to 13,941,671,063.77, 19,239,571,221.52 and 7,920,506,865.32

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Solution

The fourth proportional to 13,941,671,063.77, 19,239,571,221.52 and 7,920,506,865.32 is: 10,930,336,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,671,063.77 : 19,239,571,221.52 = 7,920,506,865.32 : x
  2. Step 2: Convert to fraction form
    13,941,671,063.77/19,239,571,221.52 = 7,920,506,865.32/x
  3. Step 3: Cross multiply
    13,941,671,063.77x = 19,239,571,221.52 × 7,920,506,865.32
  4. Step 4: Simplify right side
    13,941,671,063.77x = 152,387,155,945,862,266,880
  5. Step 5: Solve for x
    x = 152,387,155,945,862,266,880/13,941,671,063.77
  6. Step 6: Final answer
    x = 10,930,336,488.99

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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.