Home / 293,415,547.80-440,123,321.70-190,103,417.40

Finding the Fourth Proportional to 293,415,547.80, 440,123,321.70 and 190,103,417.40

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Solution

The fourth proportional to 293,415,547.80, 440,123,321.70 and 190,103,417.40 is: 285,155,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,415,547.80 : 440,123,321.70 = 190,103,417.40 : x
  2. Step 2: Convert to fraction form
    293,415,547.80/440,123,321.70 = 190,103,417.40/x
  3. Step 3: Cross multiply
    293,415,547.80x = 440,123,321.70 × 190,103,417.40
  4. Step 4: Simplify right side
    293,415,547.80x = 83,668,947,532,609,584
  5. Step 5: Solve for x
    x = 83,668,947,532,609,584/293,415,547.80
  6. Step 6: Final answer
    x = 285,155,126.10

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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.