Home / 13,452,128,807.40-18,564,501,730.41-7,736,417,696.43

Finding the Fourth Proportional to 13,452,128,807.40, 18,564,501,730.41 and 7,736,417,696.43

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Solution

The fourth proportional to 13,452,128,807.40, 18,564,501,730.41 and 7,736,417,696.43 is: 10,676,580,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,128,807.40 : 18,564,501,730.41 = 7,736,417,696.43 : x
  2. Step 2: Convert to fraction form
    13,452,128,807.40/18,564,501,730.41 = 7,736,417,696.43/x
  3. Step 3: Cross multiply
    13,452,128,807.40x = 18,564,501,730.41 × 7,736,417,696.43
  4. Step 4: Simplify right side
    13,452,128,807.40x = 143,622,739,712,549,289,984
  5. Step 5: Solve for x
    x = 143,622,739,712,549,289,984/13,452,128,807.40
  6. Step 6: Final answer
    x = 10,676,580,767.91

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1.5x scale

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.