Home / 830,155,864.04-1,145,615,343.46-453,814,088.68

Finding the Fourth Proportional to 830,155,864.04, 1,145,615,343.46 and 453,814,088.68

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Solution

The fourth proportional to 830,155,864.04, 1,145,615,343.46 and 453,814,088.68 is: 626,263,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,155,864.04 : 1,145,615,343.46 = 453,814,088.68 : x
  2. Step 2: Convert to fraction form
    830,155,864.04/1,145,615,343.46 = 453,814,088.68/x
  3. Step 3: Cross multiply
    830,155,864.04x = 1,145,615,343.46 × 453,814,088.68
  4. Step 4: Simplify right side
    830,155,864.04x = 519,896,383,070,125,120
  5. Step 5: Solve for x
    x = 519,896,383,070,125,120/830,155,864.04
  6. Step 6: Final answer
    x = 626,263,579.64

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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.