Home / 509,742,038.59-764,617,482.93-164,695,702.48

Finding the Fourth Proportional to 509,742,038.59, 764,617,482.93 and 164,695,702.48

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Solution

The fourth proportional to 509,742,038.59, 764,617,482.93 and 164,695,702.48 is: 247,044,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,742,038.59 : 764,617,482.93 = 164,695,702.48 : x
  2. Step 2: Convert to fraction form
    509,742,038.59/764,617,482.93 = 164,695,702.48/x
  3. Step 3: Cross multiply
    509,742,038.59x = 764,617,482.93 × 164,695,702.48
  4. Step 4: Simplify right side
    509,742,038.59x = 125,929,213,479,645,744
  5. Step 5: Solve for x
    x = 125,929,213,479,645,744/509,742,038.59
  6. Step 6: Final answer
    x = 247,044,983.44

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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.