Home / 647,429,027.40-971,143,541.10-579,404,579.40

Finding the Fourth Proportional to 647,429,027.40, 971,143,541.10 and 579,404,579.40

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Solution

The fourth proportional to 647,429,027.40, 971,143,541.10 and 579,404,579.40 is: 869,106,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,429,027.40 : 971,143,541.10 = 579,404,579.40 : x
  2. Step 2: Convert to fraction form
    647,429,027.40/971,143,541.10 = 579,404,579.40/x
  3. Step 3: Cross multiply
    647,429,027.40x = 971,143,541.10 × 579,404,579.40
  4. Step 4: Simplify right side
    647,429,027.40x = 562,685,014,968,072,128
  5. Step 5: Solve for x
    x = 562,685,014,968,072,128/647,429,027.40
  6. Step 6: Final answer
    x = 869,106,869.10

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1.5x scale

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.