Home / 957,018,980.07-1,320,653,541.33-527,873,275.71

Finding the Fourth Proportional to 957,018,980.07, 1,320,653,541.33 and 527,873,275.71

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Solution

The fourth proportional to 957,018,980.07, 1,320,653,541.33 and 527,873,275.71 is: 728,447,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,018,980.07 : 1,320,653,541.33 = 527,873,275.71 : x
  2. Step 2: Convert to fraction form
    957,018,980.07/1,320,653,541.33 = 527,873,275.71/x
  3. Step 3: Cross multiply
    957,018,980.07x = 1,320,653,541.33 × 527,873,275.71
  4. Step 4: Simplify right side
    957,018,980.07x = 697,137,710,939,878,912
  5. Step 5: Solve for x
    x = 697,137,710,939,878,912/957,018,980.07
  6. Step 6: Final answer
    x = 728,447,110.72

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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.