Home / 28,277,417,058.43-39,021,037,398.48-15,589,459,226.11

Finding the Fourth Proportional to 28,277,417,058.43, 39,021,037,398.48 and 15,589,459,226.11

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Solution

The fourth proportional to 28,277,417,058.43, 39,021,037,398.48 and 15,589,459,226.11 is: 21,512,462,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277,417,058.43 : 39,021,037,398.48 = 15,589,459,226.11 : x
  2. Step 2: Convert to fraction form
    28,277,417,058.43/39,021,037,398.48 = 15,589,459,226.11/x
  3. Step 3: Cross multiply
    28,277,417,058.43x = 39,021,037,398.48 × 15,589,459,226.11
  4. Step 4: Simplify right side
    28,277,417,058.43x = 608,316,871,484,117,483,520
  5. Step 5: Solve for x
    x = 608,316,871,484,117,483,520/28,277,417,058.43
  6. Step 6: Final answer
    x = 21,512,462,408.68

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1.5x scale

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.