Home / 651,415,957.65-898,949,828.63-373,011,289.65

Finding the Fourth Proportional to 651,415,957.65, 898,949,828.63 and 373,011,289.65

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Solution

The fourth proportional to 651,415,957.65, 898,949,828.63 and 373,011,289.65 is: 514,753,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,415,957.65 : 898,949,828.63 = 373,011,289.65 : x
  2. Step 2: Convert to fraction form
    651,415,957.65/898,949,828.63 = 373,011,289.65/x
  3. Step 3: Cross multiply
    651,415,957.65x = 898,949,828.63 × 373,011,289.65
  4. Step 4: Simplify right side
    651,415,957.65x = 335,318,434,908,855,296
  5. Step 5: Solve for x
    x = 335,318,434,908,855,296/651,415,957.65
  6. Step 6: Final answer
    x = 514,753,178.78

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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.