Home / 1,009,998,178.16-1,513,657,946.81-518,691,602.48

Finding the Fourth Proportional to 1,009,998,178.16, 1,513,657,946.81 and 518,691,602.48

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Solution

The fourth proportional to 1,009,998,178.16, 1,513,657,946.81 and 518,691,602.48 is: 777,349,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,998,178.16 : 1,513,657,946.81 = 518,691,602.48 : x
  2. Step 2: Convert to fraction form
    1,009,998,178.16/1,513,657,946.81 = 518,691,602.48/x
  3. Step 3: Cross multiply
    1,009,998,178.16x = 1,513,657,946.81 × 518,691,602.48
  4. Step 4: Simplify right side
    1,009,998,178.16x = 785,121,666,031,193,984
  5. Step 5: Solve for x
    x = 785,121,666,031,193,984/1,009,998,178.16
  6. Step 6: Final answer
    x = 777,349,586.38

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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.