Home / 970,035,002.90-1,455,031,495.86-270,508,473.86

Finding the Fourth Proportional to 970,035,002.90, 1,455,031,495.86 and 270,508,473.86

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Solution

The fourth proportional to 970,035,002.90, 1,455,031,495.86 and 270,508,473.86 is: 405,756,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,035,002.90 : 1,455,031,495.86 = 270,508,473.86 : x
  2. Step 2: Convert to fraction form
    970,035,002.90/1,455,031,495.86 = 270,508,473.86/x
  3. Step 3: Cross multiply
    970,035,002.90x = 1,455,031,495.86 × 270,508,473.86
  4. Step 4: Simplify right side
    970,035,002.90x = 393,598,349,363,321,472
  5. Step 5: Solve for x
    x = 393,598,349,363,321,472/970,035,002.90
  6. Step 6: Final answer
    x = 405,756,852.26

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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.