Home / 659,730,916.36-910,587,226.98-377,636,883.16

Finding the Fourth Proportional to 659,730,916.36, 910,587,226.98 and 377,636,883.16

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Solution

The fourth proportional to 659,730,916.36, 910,587,226.98 and 377,636,883.16 is: 521,229,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,730,916.36 : 910,587,226.98 = 377,636,883.16 : x
  2. Step 2: Convert to fraction form
    659,730,916.36/910,587,226.98 = 377,636,883.16/x
  3. Step 3: Cross multiply
    659,730,916.36x = 910,587,226.98 × 377,636,883.16
  4. Step 4: Simplify right side
    659,730,916.36x = 343,871,322,242,034,688
  5. Step 5: Solve for x
    x = 343,871,322,242,034,688/659,730,916.36
  6. Step 6: Final answer
    x = 521,229,661.54

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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.