Home / 1,130,920,577,889-1,696,369,687,698.40-518,126,317,439.20

Finding the Fourth Proportional to 1,130,920,577,889, 1,696,369,687,698.40 and 518,126,317,439.20

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Solution

The fourth proportional to 1,130,920,577,889, 1,696,369,687,698.40 and 518,126,317,439.20 is: 777,184,354,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,920,577,889 : 1,696,369,687,698.40 = 518,126,317,439.20 : x
  2. Step 2: Convert to fraction form
    1,130,920,577,889/1,696,369,687,698.40 = 518,126,317,439.20/x
  3. Step 3: Cross multiply
    1,130,920,577,889x = 1,696,369,687,698.40 × 518,126,317,439.20
  4. Step 4: Simplify right side
    1,130,920,577,889x = 878,933,779,302,657,751,515,136
  5. Step 5: Solve for x
    x = 878,933,779,302,657,751,515,136/1,130,920,577,889
  6. Step 6: Final answer
    x = 777,184,354,486.94

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.