Home / 1,564,885,965.40-2,347,328,948.10-839,291,853.40

Finding the Fourth Proportional to 1,564,885,965.40, 2,347,328,948.10 and 839,291,853.40

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Solution

The fourth proportional to 1,564,885,965.40, 2,347,328,948.10 and 839,291,853.40 is: 1,258,937,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,885,965.40 : 2,347,328,948.10 = 839,291,853.40 : x
  2. Step 2: Convert to fraction form
    1,564,885,965.40/2,347,328,948.10 = 839,291,853.40/x
  3. Step 3: Cross multiply
    1,564,885,965.40x = 2,347,328,948.10 × 839,291,853.40
  4. Step 4: Simplify right side
    1,564,885,965.40x = 1,970,094,063,390,321,152
  5. Step 5: Solve for x
    x = 1,970,094,063,390,321,152/1,564,885,965.40
  6. Step 6: Final answer
    x = 1,258,937,780.10

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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.