Home / 852,519,465.03-1,176,464,443.45-476,181,407.91

Finding the Fourth Proportional to 852,519,465.03, 1,176,464,443.45 and 476,181,407.91

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Solution

The fourth proportional to 852,519,465.03, 1,176,464,443.45 and 476,181,407.91 is: 657,123,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,519,465.03 : 1,176,464,443.45 = 476,181,407.91 : x
  2. Step 2: Convert to fraction form
    852,519,465.03/1,176,464,443.45 = 476,181,407.91/x
  3. Step 3: Cross multiply
    852,519,465.03x = 1,176,464,443.45 × 476,181,407.91
  4. Step 4: Simplify right side
    852,519,465.03x = 560,210,495,038,075,648
  5. Step 5: Solve for x
    x = 560,210,495,038,075,648/852,519,465.03
  6. Step 6: Final answer
    x = 657,123,406.58

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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.