Home / 1,122,605,999.80-1,681,358,082.90-709,357,478.20

Finding the Fourth Proportional to 1,122,605,999.80, 1,681,358,082.90 and 709,357,478.20

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Solution

The fourth proportional to 1,122,605,999.80, 1,681,358,082.90 and 709,357,478.20 is: 1,062,424,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,605,999.80 : 1,681,358,082.90 = 709,357,478.20 : x
  2. Step 2: Convert to fraction form
    1,122,605,999.80/1,681,358,082.90 = 709,357,478.20/x
  3. Step 3: Cross multiply
    1,122,605,999.80x = 1,681,358,082.90 × 709,357,478.20
  4. Step 4: Simplify right side
    1,122,605,999.80x = 1,192,683,929,637,130,752
  5. Step 5: Solve for x
    x = 1,192,683,929,637,130,752/1,122,605,999.80
  6. Step 6: Final answer
    x = 1,062,424,332.18

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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.