Home / 351,776,232,320.27-485,424,559,125.85-197,422,101,036.76

Finding the Fourth Proportional to 351,776,232,320.27, 485,424,559,125.85 and 197,422,101,036.76

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Solution

The fourth proportional to 351,776,232,320.27, 485,424,559,125.85 and 197,422,101,036.76 is: 272,427,547,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,776,232,320.27 : 485,424,559,125.85 = 197,422,101,036.76 : x
  2. Step 2: Convert to fraction form
    351,776,232,320.27/485,424,559,125.85 = 197,422,101,036.76/x
  3. Step 3: Cross multiply
    351,776,232,320.27x = 485,424,559,125.85 × 197,422,101,036.76
  4. Step 4: Simplify right side
    351,776,232,320.27x = 95,833,536,357,468,242,706,432
  5. Step 5: Solve for x
    x = 95,833,536,357,468,242,706,432/351,776,232,320.27
  6. Step 6: Final answer
    x = 272,427,547,834.49

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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.