Home / 1,019,835,862.60-1,528,997,966.70-437,093,091.40

Finding the Fourth Proportional to 1,019,835,862.60, 1,528,997,966.70 and 437,093,091.40

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Solution

The fourth proportional to 1,019,835,862.60, 1,528,997,966.70 and 437,093,091.40 is: 655,315,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,835,862.60 : 1,528,997,966.70 = 437,093,091.40 : x
  2. Step 2: Convert to fraction form
    1,019,835,862.60/1,528,997,966.70 = 437,093,091.40/x
  3. Step 3: Cross multiply
    1,019,835,862.60x = 1,528,997,966.70 × 437,093,091.40
  4. Step 4: Simplify right side
    1,019,835,862.60x = 668,314,448,009,217,280
  5. Step 5: Solve for x
    x = 668,314,448,009,217,280/1,019,835,862.60
  6. Step 6: Final answer
    x = 655,315,695.91

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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.