Home / 841,640,937.06-1,161,500,362.86-470,362,957.50

Finding the Fourth Proportional to 841,640,937.06, 1,161,500,362.86 and 470,362,957.50

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Solution

The fourth proportional to 841,640,937.06, 1,161,500,362.86 and 470,362,957.50 is: 649,120,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,640,937.06 : 1,161,500,362.86 = 470,362,957.50 : x
  2. Step 2: Convert to fraction form
    841,640,937.06/1,161,500,362.86 = 470,362,957.50/x
  3. Step 3: Cross multiply
    841,640,937.06x = 1,161,500,362.86 × 470,362,957.50
  4. Step 4: Simplify right side
    841,640,937.06x = 546,326,745,812,152,704
  5. Step 5: Solve for x
    x = 546,326,745,812,152,704/841,640,937.06
  6. Step 6: Final answer
    x = 649,120,927.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.