Home / 28,265,906,826,438-42,411,742,921,542-14,507,155,518,817

Finding the Fourth Proportional to 28,265,906,826,438, 42,411,742,921,542 and 14,507,155,518,817

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Solution

The fourth proportional to 28,265,906,826,438, 42,411,742,921,542 and 14,507,155,518,817 is: 21,767,345,168,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265,906,826,438 : 42,411,742,921,542 = 14,507,155,518,817 : x
  2. Step 2: Convert to fraction form
    28,265,906,826,438/42,411,742,921,542 = 14,507,155,518,817/x
  3. Step 3: Cross multiply
    28,265,906,826,438x = 42,411,742,921,542 × 14,507,155,518,817
  4. Step 4: Simplify right side
    28,265,906,826,438x = 615,273,750,386,895,856,997,498,880
  5. Step 5: Solve for x
    x = 615,273,750,386,895,856,997,498,880/28,265,906,826,438
  6. Step 6: Final answer
    x = 21,767,345,168,328.75

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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.