Home / 1,194,287,507.76-1,648,124,411.28-665,685,011.68

Finding the Fourth Proportional to 1,194,287,507.76, 1,648,124,411.28 and 665,685,011.68

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Solution

The fourth proportional to 1,194,287,507.76, 1,648,124,411.28 and 665,685,011.68 is: 918,649,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,287,507.76 : 1,648,124,411.28 = 665,685,011.68 : x
  2. Step 2: Convert to fraction form
    1,194,287,507.76/1,648,124,411.28 = 665,685,011.68/x
  3. Step 3: Cross multiply
    1,194,287,507.76x = 1,648,124,411.28 × 665,685,011.68
  4. Step 4: Simplify right side
    1,194,287,507.76x = 1,097,131,717,973,019,776
  5. Step 5: Solve for x
    x = 1,097,131,717,973,019,776/1,194,287,507.76
  6. Step 6: Final answer
    x = 918,649,580.48

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Double scale
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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.