Home / 1,385,210,291.25-1,911,592,045.89-750,131,878.98

Finding the Fourth Proportional to 1,385,210,291.25, 1,911,592,045.89 and 750,131,878.98

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Solution

The fourth proportional to 1,385,210,291.25, 1,911,592,045.89 and 750,131,878.98 is: 1,035,182,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,210,291.25 : 1,911,592,045.89 = 750,131,878.98 : x
  2. Step 2: Convert to fraction form
    1,385,210,291.25/1,911,592,045.89 = 750,131,878.98/x
  3. Step 3: Cross multiply
    1,385,210,291.25x = 1,911,592,045.89 × 750,131,878.98
  4. Step 4: Simplify right side
    1,385,210,291.25x = 1,433,946,133,226,688,256
  5. Step 5: Solve for x
    x = 1,433,946,133,226,688,256/1,385,210,291.25
  6. Step 6: Final answer
    x = 1,035,182,991.55

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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.