Home / 3,877,931,312.40-5,818,587,246.40-1,358,666,843.20

Finding the Fourth Proportional to 3,877,931,312.40, 5,818,587,246.40 and 1,358,666,843.20

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Solution

The fourth proportional to 3,877,931,312.40, 5,818,587,246.40 and 1,358,666,843.20 is: 2,038,592,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877,931,312.40 : 5,818,587,246.40 = 1,358,666,843.20 : x
  2. Step 2: Convert to fraction form
    3,877,931,312.40/5,818,587,246.40 = 1,358,666,843.20/x
  3. Step 3: Cross multiply
    3,877,931,312.40x = 5,818,587,246.40 × 1,358,666,843.20
  4. Step 4: Simplify right side
    3,877,931,312.40x = 7,905,521,565,950,068,736
  5. Step 5: Solve for x
    x = 7,905,521,565,950,068,736/3,877,931,312.40
  6. Step 6: Final answer
    x = 2,038,592,468.28

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1.5x scale

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.