Home / 4,739,637,842.34-6,538,220,457.08-2,930,571,420.58

Finding the Fourth Proportional to 4,739,637,842.34, 6,538,220,457.08 and 2,930,571,420.58

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Solution

The fourth proportional to 4,739,637,842.34, 6,538,220,457.08 and 2,930,571,420.58 is: 4,042,655,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739,637,842.34 : 6,538,220,457.08 = 2,930,571,420.58 : x
  2. Step 2: Convert to fraction form
    4,739,637,842.34/6,538,220,457.08 = 2,930,571,420.58/x
  3. Step 3: Cross multiply
    4,739,637,842.34x = 6,538,220,457.08 × 2,930,571,420.58
  4. Step 4: Simplify right side
    4,739,637,842.34x = 19,160,722,012,963,995,648
  5. Step 5: Solve for x
    x = 19,160,722,012,963,995,648/4,739,637,842.34
  6. Step 6: Final answer
    x = 4,042,655,293.58

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Double scale
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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.