Home / 970,038,838.25-1,455,179,266.38-379,752,829.53

Finding the Fourth Proportional to 970,038,838.25, 1,455,179,266.38 and 379,752,829.53

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Solution

The fourth proportional to 970,038,838.25, 1,455,179,266.38 and 379,752,829.53 is: 569,676,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,038,838.25 : 1,455,179,266.38 = 379,752,829.53 : x
  2. Step 2: Convert to fraction form
    970,038,838.25/1,455,179,266.38 = 379,752,829.53/x
  3. Step 3: Cross multiply
    970,038,838.25x = 1,455,179,266.38 × 379,752,829.53
  4. Step 4: Simplify right side
    970,038,838.25x = 552,608,443,881,194,624
  5. Step 5: Solve for x
    x = 552,608,443,881,194,624/970,038,838.25
  6. Step 6: Final answer
    x = 569,676,617.15

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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.