Home / 65,827,847,950.79-90,840,885,016.53-38,732,877,240.35

Finding the Fourth Proportional to 65,827,847,950.79, 90,840,885,016.53 and 38,732,877,240.35

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Solution

The fourth proportional to 65,827,847,950.79, 90,840,885,016.53 and 38,732,877,240.35 is: 53,450,461,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,827,847,950.79 : 90,840,885,016.53 = 38,732,877,240.35 : x
  2. Step 2: Convert to fraction form
    65,827,847,950.79/90,840,885,016.53 = 38,732,877,240.35/x
  3. Step 3: Cross multiply
    65,827,847,950.79x = 90,840,885,016.53 × 38,732,877,240.35
  4. Step 4: Simplify right side
    65,827,847,950.79x = 3,518,528,847,749,552,013,312
  5. Step 5: Solve for x
    x = 3,518,528,847,749,552,013,312/65,827,847,950.79
  6. Step 6: Final answer
    x = 53,450,461,427.51

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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.