Home / 1,575,028,927.88-2,173,562,720.16-870,197,134.40

Finding the Fourth Proportional to 1,575,028,927.88, 2,173,562,720.16 and 870,197,134.40

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Solution

The fourth proportional to 1,575,028,927.88, 2,173,562,720.16 and 870,197,134.40 is: 1,200,884,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,028,927.88 : 2,173,562,720.16 = 870,197,134.40 : x
  2. Step 2: Convert to fraction form
    1,575,028,927.88/2,173,562,720.16 = 870,197,134.40/x
  3. Step 3: Cross multiply
    1,575,028,927.88x = 2,173,562,720.16 × 870,197,134.40
  4. Step 4: Simplify right side
    1,575,028,927.88x = 1,891,428,050,521,900,800
  5. Step 5: Solve for x
    x = 1,891,428,050,521,900,800/1,575,028,927.88
  6. Step 6: Final answer
    x = 1,200,884,642.21

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Double scale
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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.