Home / 692,967,163,936.10-956,168,241,281.86-399,885,166,280.39

Finding the Fourth Proportional to 692,967,163,936.10, 956,168,241,281.86 and 399,885,166,280.39

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Solution

The fourth proportional to 692,967,163,936.10, 956,168,241,281.86 and 399,885,166,280.39 is: 551,768,562,864.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,967,163,936.10 : 956,168,241,281.86 = 399,885,166,280.39 : x
  2. Step 2: Convert to fraction form
    692,967,163,936.10/956,168,241,281.86 = 399,885,166,280.39/x
  3. Step 3: Cross multiply
    692,967,163,936.10x = 956,168,241,281.86 × 399,885,166,280.39
  4. Step 4: Simplify right side
    692,967,163,936.10x = 382,357,496,157,024,645,283,840
  5. Step 5: Solve for x
    x = 382,357,496,157,024,645,283,840/692,967,163,936.10
  6. Step 6: Final answer
    x = 551,768,562,864.09

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Double scale
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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.