Home / 553,717,037.20-830,575,555.80-463,689,619.60

Finding the Fourth Proportional to 553,717,037.20, 830,575,555.80 and 463,689,619.60

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Solution

The fourth proportional to 553,717,037.20, 830,575,555.80 and 463,689,619.60 is: 695,534,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,717,037.20 : 830,575,555.80 = 463,689,619.60 : x
  2. Step 2: Convert to fraction form
    553,717,037.20/830,575,555.80 = 463,689,619.60/x
  3. Step 3: Cross multiply
    553,717,037.20x = 830,575,555.80 × 463,689,619.60
  4. Step 4: Simplify right side
    553,717,037.20x = 385,129,263,517,960,576
  5. Step 5: Solve for x
    x = 385,129,263,517,960,576/553,717,037.20
  6. Step 6: Final answer
    x = 695,534,429.40

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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.