Home / 1,417,178,140.40-2,125,767,210.60-640,849,127.60

Finding the Fourth Proportional to 1,417,178,140.40, 2,125,767,210.60 and 640,849,127.60

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Solution

The fourth proportional to 1,417,178,140.40, 2,125,767,210.60 and 640,849,127.60 is: 961,273,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,178,140.40 : 2,125,767,210.60 = 640,849,127.60 : x
  2. Step 2: Convert to fraction form
    1,417,178,140.40/2,125,767,210.60 = 640,849,127.60/x
  3. Step 3: Cross multiply
    1,417,178,140.40x = 2,125,767,210.60 × 640,849,127.60
  4. Step 4: Simplify right side
    1,417,178,140.40x = 1,362,296,062,393,695,488
  5. Step 5: Solve for x
    x = 1,362,296,062,393,695,488/1,417,178,140.40
  6. Step 6: Final answer
    x = 961,273,691.40

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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.