Home / 1,223,436,567,830.60-1,688,344,137,983.60-667,243,039,421.35

Finding the Fourth Proportional to 1,223,436,567,830.60, 1,688,344,137,983.60 and 667,243,039,421.35

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Solution

The fourth proportional to 1,223,436,567,830.60, 1,688,344,137,983.60 and 667,243,039,421.35 is: 920,796,307,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,436,567,830.60 : 1,688,344,137,983.60 = 667,243,039,421.35 : x
  2. Step 2: Convert to fraction form
    1,223,436,567,830.60/1,688,344,137,983.60 = 667,243,039,421.35/x
  3. Step 3: Cross multiply
    1,223,436,567,830.60x = 1,688,344,137,983.60 × 667,243,039,421.35
  4. Step 4: Simplify right side
    1,223,436,567,830.60x = 1,126,535,874,217,396,423,098,368
  5. Step 5: Solve for x
    x = 1,126,535,874,217,396,423,098,368/1,223,436,567,830.60
  6. Step 6: Final answer
    x = 920,796,307,580.52

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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.