Home / 640,064,117.40-960,096,176.10-614,981,851.80

Finding the Fourth Proportional to 640,064,117.40, 960,096,176.10 and 614,981,851.80

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Solution

The fourth proportional to 640,064,117.40, 960,096,176.10 and 614,981,851.80 is: 922,472,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,064,117.40 : 960,096,176.10 = 614,981,851.80 : x
  2. Step 2: Convert to fraction form
    640,064,117.40/960,096,176.10 = 614,981,851.80/x
  3. Step 3: Cross multiply
    640,064,117.40x = 960,096,176.10 × 614,981,851.80
  4. Step 4: Simplify right side
    640,064,117.40x = 590,441,724,284,076,928
  5. Step 5: Solve for x
    x = 590,441,724,284,076,928/640,064,117.40
  6. Step 6: Final answer
    x = 922,472,777.70

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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.