Home / 1,124,938,488.60-1,686,064,040.10-579,399,211.80

Finding the Fourth Proportional to 1,124,938,488.60, 1,686,064,040.10 and 579,399,211.80

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Solution

The fourth proportional to 1,124,938,488.60, 1,686,064,040.10 and 579,399,211.80 is: 868,406,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,938,488.60 : 1,686,064,040.10 = 579,399,211.80 : x
  2. Step 2: Convert to fraction form
    1,124,938,488.60/1,686,064,040.10 = 579,399,211.80/x
  3. Step 3: Cross multiply
    1,124,938,488.60x = 1,686,064,040.10 × 579,399,211.80
  4. Step 4: Simplify right side
    1,124,938,488.60x = 976,904,175,878,263,424
  5. Step 5: Solve for x
    x = 976,904,175,878,263,424/1,124,938,488.60
  6. Step 6: Final answer
    x = 868,406,749.15

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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.