Home / 2,912,808,176.20-4,369,637,417.10-947,326,781.80

Finding the Fourth Proportional to 2,912,808,176.20, 4,369,637,417.10 and 947,326,781.80

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Solution

The fourth proportional to 2,912,808,176.20, 4,369,637,417.10 and 947,326,781.80 is: 1,421,128,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,808,176.20 : 4,369,637,417.10 = 947,326,781.80 : x
  2. Step 2: Convert to fraction form
    2,912,808,176.20/4,369,637,417.10 = 947,326,781.80/x
  3. Step 3: Cross multiply
    2,912,808,176.20x = 4,369,637,417.10 × 947,326,781.80
  4. Step 4: Simplify right side
    2,912,808,176.20x = 4,139,474,551,974,207,488
  5. Step 5: Solve for x
    x = 4,139,474,551,974,207,488/2,912,808,176.20
  6. Step 6: Final answer
    x = 1,421,128,444.30

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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.