Home / 579,041,365.80-868,688,019.90-190,798,127.40

Finding the Fourth Proportional to 579,041,365.80, 868,688,019.90 and 190,798,127.40

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Solution

The fourth proportional to 579,041,365.80, 868,688,019.90 and 190,798,127.40 is: 286,238,699.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,041,365.80 : 868,688,019.90 = 190,798,127.40 : x
  2. Step 2: Convert to fraction form
    579,041,365.80/868,688,019.90 = 190,798,127.40/x
  3. Step 3: Cross multiply
    579,041,365.80x = 868,688,019.90 × 190,798,127.40
  4. Step 4: Simplify right side
    579,041,365.80x = 165,744,047,491,733,920
  5. Step 5: Solve for x
    x = 165,744,047,491,733,920/579,041,365.80
  6. Step 6: Final answer
    x = 286,238,699.48

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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.