Home / 1,358,947,780.64-1,875,318,543.56-786,754,962.76

Finding the Fourth Proportional to 1,358,947,780.64, 1,875,318,543.56 and 786,754,962.76

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Solution

The fourth proportional to 1,358,947,780.64, 1,875,318,543.56 and 786,754,962.76 is: 1,085,704,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,947,780.64 : 1,875,318,543.56 = 786,754,962.76 : x
  2. Step 2: Convert to fraction form
    1,358,947,780.64/1,875,318,543.56 = 786,754,962.76/x
  3. Step 3: Cross multiply
    1,358,947,780.64x = 1,875,318,543.56 × 786,754,962.76
  4. Step 4: Simplify right side
    1,358,947,780.64x = 1,475,416,170,901,685,248
  5. Step 5: Solve for x
    x = 1,475,416,170,901,685,248/1,358,947,780.64
  6. Step 6: Final answer
    x = 1,085,704,831.28

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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.