Home / 1,272,011,227.31-1,908,017,538.08-581,434,205.67

Finding the Fourth Proportional to 1,272,011,227.31, 1,908,017,538.08 and 581,434,205.67

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Solution

The fourth proportional to 1,272,011,227.31, 1,908,017,538.08 and 581,434,205.67 is: 872,151,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,011,227.31 : 1,908,017,538.08 = 581,434,205.67 : x
  2. Step 2: Convert to fraction form
    1,272,011,227.31/1,908,017,538.08 = 581,434,205.67/x
  3. Step 3: Cross multiply
    1,272,011,227.31x = 1,908,017,538.08 × 581,434,205.67
  4. Step 4: Simplify right side
    1,272,011,227.31x = 1,109,386,661,655,066,496
  5. Step 5: Solve for x
    x = 1,109,386,661,655,066,496/1,272,011,227.31
  6. Step 6: Final answer
    x = 872,151,627.15

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Double scale
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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.