Home / 1,191,028,345.41-1,643,610,045.95-655,168,501.17

Finding the Fourth Proportional to 1,191,028,345.41, 1,643,610,045.95 and 655,168,501.17

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Solution

The fourth proportional to 1,191,028,345.41, 1,643,610,045.95 and 655,168,501.17 is: 904,127,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,028,345.41 : 1,643,610,045.95 = 655,168,501.17 : x
  2. Step 2: Convert to fraction form
    1,191,028,345.41/1,643,610,045.95 = 655,168,501.17/x
  3. Step 3: Cross multiply
    1,191,028,345.41x = 1,643,610,045.95 × 655,168,501.17
  4. Step 4: Simplify right side
    1,191,028,345.41x = 1,076,841,530,316,832,256
  5. Step 5: Solve for x
    x = 1,076,841,530,316,832,256/1,191,028,345.41
  6. Step 6: Final answer
    x = 904,127,541.94

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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.