Home / 920,671,796.84-1,381,880,784.72-569,856,681.08

Finding the Fourth Proportional to 920,671,796.84, 1,381,880,784.72 and 569,856,681.08

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Solution

The fourth proportional to 920,671,796.84, 1,381,880,784.72 and 569,856,681.08 is: 855,325,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,671,796.84 : 1,381,880,784.72 = 569,856,681.08 : x
  2. Step 2: Convert to fraction form
    920,671,796.84/1,381,880,784.72 = 569,856,681.08/x
  3. Step 3: Cross multiply
    920,671,796.84x = 1,381,880,784.72 × 569,856,681.08
  4. Step 4: Simplify right side
    920,671,796.84x = 787,473,997,628,765,312
  5. Step 5: Solve for x
    x = 787,473,997,628,765,312/920,671,796.84
  6. Step 6: Final answer
    x = 855,325,426.86

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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.