Home / 841,369,984.83-1,161,150,661.98-465,018,484.86

Finding the Fourth Proportional to 841,369,984.83, 1,161,150,661.98 and 465,018,484.86

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Solution

The fourth proportional to 841,369,984.83, 1,161,150,661.98 and 465,018,484.86 is: 641,758,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,369,984.83 : 1,161,150,661.98 = 465,018,484.86 : x
  2. Step 2: Convert to fraction form
    841,369,984.83/1,161,150,661.98 = 465,018,484.86/x
  3. Step 3: Cross multiply
    841,369,984.83x = 1,161,150,661.98 × 465,018,484.86
  4. Step 4: Simplify right side
    841,369,984.83x = 539,956,521,528,125,632
  5. Step 5: Solve for x
    x = 539,956,521,528,125,632/841,369,984.83
  6. Step 6: Final answer
    x = 641,758,716.45

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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.