Home / 470,527,359.90-705,641,300.33-155,334,701.91

Finding the Fourth Proportional to 470,527,359.90, 705,641,300.33 and 155,334,701.91

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Solution

The fourth proportional to 470,527,359.90, 705,641,300.33 and 155,334,701.91 is: 232,952,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,527,359.90 : 705,641,300.33 = 155,334,701.91 : x
  2. Step 2: Convert to fraction form
    470,527,359.90/705,641,300.33 = 155,334,701.91/x
  3. Step 3: Cross multiply
    470,527,359.90x = 705,641,300.33 × 155,334,701.91
  4. Step 4: Simplify right side
    470,527,359.90x = 109,610,581,041,368,672
  5. Step 5: Solve for x
    x = 109,610,581,041,368,672/470,527,359.90
  6. Step 6: Final answer
    x = 232,952,619.51

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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.