Home / 760,752,139.80-1,141,128,209.70-709,355,890.20

Finding the Fourth Proportional to 760,752,139.80, 1,141,128,209.70 and 709,355,890.20

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Solution

The fourth proportional to 760,752,139.80, 1,141,128,209.70 and 709,355,890.20 is: 1,064,033,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,752,139.80 : 1,141,128,209.70 = 709,355,890.20 : x
  2. Step 2: Convert to fraction form
    760,752,139.80/1,141,128,209.70 = 709,355,890.20/x
  3. Step 3: Cross multiply
    760,752,139.80x = 1,141,128,209.70 × 709,355,890.20
  4. Step 4: Simplify right side
    760,752,139.80x = 809,466,017,024,075,904
  5. Step 5: Solve for x
    x = 809,466,017,024,075,904/760,752,139.80
  6. Step 6: Final answer
    x = 1,064,033,835.30

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1.5x scale

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.