Home / 559,819,429.60-839,729,144.40-356,249,970.40

Finding the Fourth Proportional to 559,819,429.60, 839,729,144.40 and 356,249,970.40

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Solution

The fourth proportional to 559,819,429.60, 839,729,144.40 and 356,249,970.40 is: 534,374,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,819,429.60 : 839,729,144.40 = 356,249,970.40 : x
  2. Step 2: Convert to fraction form
    559,819,429.60/839,729,144.40 = 356,249,970.40/x
  3. Step 3: Cross multiply
    559,819,429.60x = 839,729,144.40 × 356,249,970.40
  4. Step 4: Simplify right side
    559,819,429.60x = 299,153,482,836,517,312
  5. Step 5: Solve for x
    x = 299,153,482,836,517,312/559,819,429.60
  6. Step 6: Final answer
    x = 534,374,955.60

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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.