Home / 1,000,148,674.40-1,500,279,698.64-310,154,023.52

Finding the Fourth Proportional to 1,000,148,674.40, 1,500,279,698.64 and 310,154,023.52

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Solution

The fourth proportional to 1,000,148,674.40, 1,500,279,698.64 and 310,154,023.52 is: 465,248,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,148,674.40 : 1,500,279,698.64 = 310,154,023.52 : x
  2. Step 2: Convert to fraction form
    1,000,148,674.40/1,500,279,698.64 = 310,154,023.52/x
  3. Step 3: Cross multiply
    1,000,148,674.40x = 1,500,279,698.64 × 310,154,023.52
  4. Step 4: Simplify right side
    1,000,148,674.40x = 465,317,784,938,569,088
  5. Step 5: Solve for x
    x = 465,317,784,938,569,088/1,000,148,674.40
  6. Step 6: Final answer
    x = 465,248,614.38

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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.