Home / 1,065,710,102.96-1,470,605,282.86-619,641,819.72

Finding the Fourth Proportional to 1,065,710,102.96, 1,470,605,282.86 and 619,641,819.72

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Solution

The fourth proportional to 1,065,710,102.96, 1,470,605,282.86 and 619,641,819.72 is: 855,062,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,710,102.96 : 1,470,605,282.86 = 619,641,819.72 : x
  2. Step 2: Convert to fraction form
    1,065,710,102.96/1,470,605,282.86 = 619,641,819.72/x
  3. Step 3: Cross multiply
    1,065,710,102.96x = 1,470,605,282.86 × 619,641,819.72
  4. Step 4: Simplify right side
    1,065,710,102.96x = 911,248,533,561,215,744
  5. Step 5: Solve for x
    x = 911,248,533,561,215,744/1,065,710,102.96
  6. Step 6: Final answer
    x = 855,062,301.68

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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.