Home / 1,038,624,048.36-1,558,227,331.78-417,275,598.68

Finding the Fourth Proportional to 1,038,624,048.36, 1,558,227,331.78 and 417,275,598.68

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Solution

The fourth proportional to 1,038,624,048.36, 1,558,227,331.78 and 417,275,598.68 is: 626,030,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,624,048.36 : 1,558,227,331.78 = 417,275,598.68 : x
  2. Step 2: Convert to fraction form
    1,038,624,048.36/1,558,227,331.78 = 417,275,598.68/x
  3. Step 3: Cross multiply
    1,038,624,048.36x = 1,558,227,331.78 × 417,275,598.68
  4. Step 4: Simplify right side
    1,038,624,048.36x = 650,210,242,748,038,528
  5. Step 5: Solve for x
    x = 650,210,242,748,038,528/1,038,624,048.36
  6. Step 6: Final answer
    x = 626,030,413.77

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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.