Home / 907,149,323.04-1,251,928,984.02-549,932,155.68

Finding the Fourth Proportional to 907,149,323.04, 1,251,928,984.02 and 549,932,155.68

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Solution

The fourth proportional to 907,149,323.04, 1,251,928,984.02 and 549,932,155.68 is: 758,944,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,149,323.04 : 1,251,928,984.02 = 549,932,155.68 : x
  2. Step 2: Convert to fraction form
    907,149,323.04/1,251,928,984.02 = 549,932,155.68/x
  3. Step 3: Cross multiply
    907,149,323.04x = 1,251,928,984.02 × 549,932,155.68
  4. Step 4: Simplify right side
    907,149,323.04x = 688,476,004,940,390,784
  5. Step 5: Solve for x
    x = 688,476,004,940,390,784/907,149,323.04
  6. Step 6: Final answer
    x = 758,944,517.13

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Double scale
Find fourth proportional to 907,149,324.04, 1,251,928,985.40 and 549,932,156.68
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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.