Home / 523,709,585.72-784,675,386.63-316,011,555.75

Finding the Fourth Proportional to 523,709,585.72, 784,675,386.63 and 316,011,555.75

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Solution

The fourth proportional to 523,709,585.72, 784,675,386.63 and 316,011,555.75 is: 473,480,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,709,585.72 : 784,675,386.63 = 316,011,555.75 : x
  2. Step 2: Convert to fraction form
    523,709,585.72/784,675,386.63 = 316,011,555.75/x
  3. Step 3: Cross multiply
    523,709,585.72x = 784,675,386.63 × 316,011,555.75
  4. Step 4: Simplify right side
    523,709,585.72x = 247,966,489,687,679,040
  5. Step 5: Solve for x
    x = 247,966,489,687,679,040/523,709,585.72
  6. Step 6: Final answer
    x = 473,480,907.07

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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.