Home / 65,827,847,951.79-90,840,885,017.91-38,732,877,241.35

Finding the Fourth Proportional to 65,827,847,951.79, 90,840,885,017.91 and 38,732,877,241.35

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Solution

The fourth proportional to 65,827,847,951.79, 90,840,885,017.91 and 38,732,877,241.35 is: 53,450,461,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,827,847,951.79 : 90,840,885,017.91 = 38,732,877,241.35 : x
  2. Step 2: Convert to fraction form
    65,827,847,951.79/90,840,885,017.91 = 38,732,877,241.35/x
  3. Step 3: Cross multiply
    65,827,847,951.79x = 90,840,885,017.91 × 38,732,877,241.35
  4. Step 4: Simplify right side
    65,827,847,951.79x = 3,518,528,847,894,298,492,928
  5. Step 5: Solve for x
    x = 3,518,528,847,894,298,492,928/65,827,847,951.79
  6. Step 6: Final answer
    x = 53,450,461,428.89

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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.