Home / 777,018,054,405.40-1,072,212,955,527-429,780,859,826.50

Finding the Fourth Proportional to 777,018,054,405.40, 1,072,212,955,527 and 429,780,859,826.50

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Solution

The fourth proportional to 777,018,054,405.40, 1,072,212,955,527 and 429,780,859,826.50 is: 593,057,784,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,018,054,405.40 : 1,072,212,955,527 = 429,780,859,826.50 : x
  2. Step 2: Convert to fraction form
    777,018,054,405.40/1,072,212,955,527 = 429,780,859,826.50/x
  3. Step 3: Cross multiply
    777,018,054,405.40x = 1,072,212,955,527 × 429,780,859,826.50
  4. Step 4: Simplify right side
    777,018,054,405.40x = 460,816,605,943,506,883,575,808
  5. Step 5: Solve for x
    x = 460,816,605,943,506,883,575,808/777,018,054,405.40
  6. Step 6: Final answer
    x = 593,057,784,604.68

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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.