Home / 485,068,924.80-727,709,675.40-157,488,692.40

Finding the Fourth Proportional to 485,068,924.80, 727,709,675.40 and 157,488,692.40

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Solution

The fourth proportional to 485,068,924.80, 727,709,675.40 and 157,488,692.40 is: 236,267,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,068,924.80 : 727,709,675.40 = 157,488,692.40 : x
  2. Step 2: Convert to fraction form
    485,068,924.80/727,709,675.40 = 157,488,692.40/x
  3. Step 3: Cross multiply
    485,068,924.80x = 727,709,675.40 × 157,488,692.40
  4. Step 4: Simplify right side
    485,068,924.80x = 114,606,045,225,574,448
  5. Step 5: Solve for x
    x = 114,606,045,225,574,448/485,068,924.80
  6. Step 6: Final answer
    x = 236,267,547.49

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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.