Home / 970,235,721.90-1,455,353,582.85-533,367,600.30

Finding the Fourth Proportional to 970,235,721.90, 1,455,353,582.85 and 533,367,600.30

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Solution

The fourth proportional to 970,235,721.90, 1,455,353,582.85 and 533,367,600.30 is: 800,051,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,235,721.90 : 1,455,353,582.85 = 533,367,600.30 : x
  2. Step 2: Convert to fraction form
    970,235,721.90/1,455,353,582.85 = 533,367,600.30/x
  3. Step 3: Cross multiply
    970,235,721.90x = 1,455,353,582.85 × 533,367,600.30
  4. Step 4: Simplify right side
    970,235,721.90x = 776,238,448,072,711,680
  5. Step 5: Solve for x
    x = 776,238,448,072,711,680/970,235,721.90
  6. Step 6: Final answer
    x = 800,051,400.45

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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.