Home / 249,115,346,470.80-373,636,740,000.60-72,433,180,198.80

Finding the Fourth Proportional to 249,115,346,470.80, 373,636,740,000.60 and 72,433,180,198.80

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Solution

The fourth proportional to 249,115,346,470.80, 373,636,740,000.60 and 72,433,180,198.80 is: 108,639,221,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,115,346,470.80 : 373,636,740,000.60 = 72,433,180,198.80 : x
  2. Step 2: Convert to fraction form
    249,115,346,470.80/373,636,740,000.60 = 72,433,180,198.80/x
  3. Step 3: Cross multiply
    249,115,346,470.80x = 373,636,740,000.60 × 72,433,180,198.80
  4. Step 4: Simplify right side
    249,115,346,470.80x = 27,063,697,317,355,642,159,104
  5. Step 5: Solve for x
    x = 27,063,697,317,355,642,159,104/249,115,346,470.80
  6. Step 6: Final answer
    x = 108,639,221,552.45

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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.