Home / 1,242,847,291.79-1,864,516,526.82-455,908,252.03

Finding the Fourth Proportional to 1,242,847,291.79, 1,864,516,526.82 and 455,908,252.03

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Solution

The fourth proportional to 1,242,847,291.79, 1,864,516,526.82 and 455,908,252.03 is: 683,952,466.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,847,291.79 : 1,864,516,526.82 = 455,908,252.03 : x
  2. Step 2: Convert to fraction form
    1,242,847,291.79/1,864,516,526.82 = 455,908,252.03/x
  3. Step 3: Cross multiply
    1,242,847,291.79x = 1,864,516,526.82 × 455,908,252.03
  4. Step 4: Simplify right side
    1,242,847,291.79x = 850,048,470,624,130,688
  5. Step 5: Solve for x
    x = 850,048,470,624,130,688/1,242,847,291.79
  6. Step 6: Final answer
    x = 683,952,466.44

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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.