Home / 674,007,329.80-1,011,010,994.70-551,563,323.40

Finding the Fourth Proportional to 674,007,329.80, 1,011,010,994.70 and 551,563,323.40

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Solution

The fourth proportional to 674,007,329.80, 1,011,010,994.70 and 551,563,323.40 is: 827,344,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,007,329.80 : 1,011,010,994.70 = 551,563,323.40 : x
  2. Step 2: Convert to fraction form
    674,007,329.80/1,011,010,994.70 = 551,563,323.40/x
  3. Step 3: Cross multiply
    674,007,329.80x = 1,011,010,994.70 × 551,563,323.40
  4. Step 4: Simplify right side
    674,007,329.80x = 557,636,584,230,671,808
  5. Step 5: Solve for x
    x = 557,636,584,230,671,808/674,007,329.80
  6. Step 6: Final answer
    x = 827,344,985.10

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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.