Home / 12,956,346,455.09-17,879,824,225.01-7,240,726,276.13

Finding the Fourth Proportional to 12,956,346,455.09, 17,879,824,225.01 and 7,240,726,276.13

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Solution

The fourth proportional to 12,956,346,455.09, 17,879,824,225.01 and 7,240,726,276.13 is: 9,992,239,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956,346,455.09 : 17,879,824,225.01 = 7,240,726,276.13 : x
  2. Step 2: Convert to fraction form
    12,956,346,455.09/17,879,824,225.01 = 7,240,726,276.13/x
  3. Step 3: Cross multiply
    12,956,346,455.09x = 17,879,824,225.01 × 7,240,726,276.13
  4. Step 4: Simplify right side
    12,956,346,455.09x = 129,462,913,078,615,605,248
  5. Step 5: Solve for x
    x = 129,462,913,078,615,605,248/12,956,346,455.09
  6. Step 6: Final answer
    x = 9,992,239,210.90

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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.