Home / 377,497,712,579.04-521,070,990,874.08-300,476,833,334.40

Finding the Fourth Proportional to 377,497,712,579.04, 521,070,990,874.08 and 300,476,833,334.40

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Solution

The fourth proportional to 377,497,712,579.04, 521,070,990,874.08 and 300,476,833,334.40 is: 414,756,847,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,497,712,579.04 : 521,070,990,874.08 = 300,476,833,334.40 : x
  2. Step 2: Convert to fraction form
    377,497,712,579.04/521,070,990,874.08 = 300,476,833,334.40/x
  3. Step 3: Cross multiply
    377,497,712,579.04x = 521,070,990,874.08 × 300,476,833,334.40
  4. Step 4: Simplify right side
    377,497,712,579.04x = 156,569,761,280,261,600,837,632
  5. Step 5: Solve for x
    x = 156,569,761,280,261,600,837,632/377,497,712,579.04
  6. Step 6: Final answer
    x = 414,756,847,692.10

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1.5x scale

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.